abbreviation | n. shortening something by omitting parts of it |
abnormal | a. unusual; not typical; not normal |
abort | v. stop; terminate before completion; terminate a pregnancy |
abrasive | a. rubbing away; tending to grind down |
absence | n. state of being absent; state of being away |
absolutely | ad. utterly; not viewed in relation to other things or factors |
abstract | a. theoretical; not concrete; not applied or practical; difficult to understand |
accidental | a. unexpected; happening by chance, unintentionally |
accompany | v. travel with; be associated with |
accomplished | a. skilled; experienced; having many social graces; polished or refined |
accounting | n. a system that provides quantitative information about finances |
acid | n. sour; water-soluble compounds having a sour taste; quality of being sarcastic, bitter, or scornful |
acidic | a. tasting sour like acid; being or containing an acid |
actual | a. true; real; being, existing, or acting at the present moment; current |
acupuncture | n. treatment of pain or disease by inserting the tips of needles at specific points on the skin |
adequate | a. sufficient; enough to meet a purpose |
adhere | v. stick fast; stick to firmly; be compatible or in accordance with |
adhesive | a. sticky; glutinous; tending to persist |
adjunct | n. something added on or attached generally nonessential or inferior |
admit | v. permit to enter; receive; provide the right or a means of entrance to |
adventure | n. something happens without design; chance; hazard; risk; danger |
adventurous | a. valiant; venturesome; inclined or willing to incur hazard or engage in adventures |
adversity | n. state of misfortune, hardship, or affliction; misfortune |
advocate | v. speak, plead, or argue in favor of; plead for; push for something |
aerodynamics | n. study of how objects move through the air or water |
affected | a. speaking or behaving in an artificial way; emotionally stirred or moved; infected or attacked |
affective | a. sentimental; emotional; emotionally charged |
aggravate | v. worsen; make worse or more troublesome |
aggregation | n. several things grouped together or considered as a whole |
ailment | n. sickness;a slight but often persistent illness |
aircraft | n. a vehicle that can fly, such as an airplane, helicopter, balloon |
alert | n. the warning serves; alarm; condition of heightened watchfulness or preparation for action |
alike | a. similar; in the same manner or to the same degree |
allegation | n. suggestion without proof that someone has done something wrong |
alliteration | n. repetition of a beginning sound in poetry |
alone | a. solitary; by oneself, not with any other people |
alteration | n. a passage from one form or state to another; change |
alternation | n. successive change from one thing or state to another and back again |
aluminum | n. silvery ductile metallic element |
amazement | n. wonder; state of extreme surprise or wonder; astonishment |
ambivalence | n. state of having contradictory or conflicting emotional attitudes, such as love and hate |
amenable | a. responsive to advise or suggestion; responsible to a higher authority; willing to comply with; agreeable |
analogy | n. the similarity in some respects; comparison based on similarity |
analysis | n. study; investigation; the process of breaking down a substance into its constituent parts |
anecdote | n. a short account of the amusing or interesting event; short narrative; a secret story of history or biography |
anesthetic | n. a substance that causes loss of sensation; producing temporary loss or impairment of feeling |
angular | a. sharp-cornered; consisting of an angle or angles; stiff in manner |
annually | ad. yearly; each year; returning every year; year by year |
anthem | n. song of praise or patriotism; the song of devotion or loyalty |
anthropology | n. social science that studies origins and social relationships of human beings |
anticipation | n. something expected; pleasurable expectation; wishing with confidence |
antiquated | a. too old to be fashionable, suitable, or useful; obsolete; aged |
antiquity | n. ancient times, especially the times preceding the Middle Ages; extreme oldness |
antiseptic | n. a substance that prevents infection; a substance that restricts the growth of disease-causing microorganisms |
appointment | n. act of putting a person into a non-elective position; arrangement |
apprentice | n. works for an expert to learn a trade; beginner; learner |
approval | n. official approbation; endorsement; an act of approving |
approve | v. ratify; consider right or good; think or speak favorably of |
aquamarine | a. of bluish-green color; of pale blue to light greenish-blue |
aquarium | n. tank or pool or bowl filled with water for keeping live fish and underwater animals |
arboreal | a. tree-dwelling; treelike; living in trees |
archaeology | n. study of artifacts and relics of early humankind |
architect | n. one who designs and supervises the construction of buildings or other large structures |
arithmetic | n. theory of numerical calculations |
armor | n. shield; defensive covering, as of metal, wood, or leather, worn to protect the body against weapons |
arms | n. weapons considered collectively; official symbols of a family |
array | v. set out for display or use; place in orderly arrangement |
arsenal | n. storage place for military equipment; a stock of weapons |
artery | n. one of the vessels or tubes which carry either venous or arterial blood from the heart; major transit corridor |
articulate | v. speak clearly and distinctly; utter a speech sound; be jointed; make clear or effective |
ascent | n. upward slope or grade; movement upward |
assignment | n. a task that was given to students; job; distribution; appointment |
association | n. connection, whether of persons or things; a union of persons in a company or society for some particular purpose |
assorted | a. varied; consisting of various types mixed together |
assortment | n. variety; collection containing a variety of sorts of things |
assume | v. suppose; presume; take on; bear |
assumption | n. something taken for accepted as true without proof; taking over or taking possession of |
assure | v. tell someone confidently that something is true; guarantee; convince |
astonish | v. surprise someone very much; shock |
astute | a. wise or keen; shrewd; with sharp intelligence |
asymmetrical | a. unbalanced; uneven; having parts on either side or half that do not match |
athlete | n. a sportsman; one who contended for a prize in public games |
atomization | n. act of reducing to atoms, or very minute particles |
atrophy | n. wasting away; decrease in size; reduction in the functionality of an organ caused by disease |
attempt | n. the action of trying at something |
audience | n. a group of people within hearing; crowd seeing a stage performance |
aurora | n. a natural appearance of coloured light in the sky, that is usually seen nearest the Arctic or Antarctic |
autonomous | a. self-governing; not controlled by others or by outside forces; independent |
avenue | n. way or opening for entrance or exit place; passage by which a place may be reached; broad street |
average | a. typical; mean; achieve or reach on average |
averse | a. reluctant; disinclined; turned away or backward; unwilling |
aviator | n. someone who operates an aircraft |
avoid | v. shield away from; prevent |
axis | n. the center around which something rotates; pivot |
bachelor | n. unmarried men; the first or lowest academic degree conferred by universities and colleges |
backbone | n. support; mainstay; vertebrate spine or spinal column |
balloonist | n. someone who flies a balloon |
bankruptcy | n. state of being unable to pay your debts |
bar | n. a counter where you can obtain food or drink; cafe; strip; stick |
barb | n. sharp projection from fishhook; openly cutting remark |
bark | n. a sound made by a dog; harsh sound uttered by a dog |
barrel | n. vessel; large cylindrical container |
barrenness | n. property of not supporting life, no children, or unable to have children; defect of emotion, sensibility, or fervency |
barter | v. trade goods or services without the exchange of money |
bean | n. various edible seeds; small oval or roundish seed, berry, nut, or lump |
bear | v. support; sustain; carry; have; yield; give birth; hold up or support |
beat | v. whip; strike; defeat; hit repeatedly |
behalf | n. represent; advantage, benefit, the interest of someone |
below | ad. under, or lower in place; beneath not so high; inferior to in rank; unworthy of |
besiege | v. surround with armed forces; harass with requests |
bilateral | a. two-sided; mutual; involving two groups or countries |
billion | n. the number that is represented as a one followed by 9 zeros |
biologist | n. a scientist who studies living organisms |
bitterness | n. sharp and bitter manner |
blink | v. shut eyes briefly; wink |
blizzard | n. a severe snowstorm with strong winds |
blossom | n. reproductive organ of plants, especially one having showy or colorful parts |
boast | v. show off oneself; speak of with excessive pride |
bolster | v. support or prop up with or as if with a long narrow pillow or cushion |
boredom | n. tedium; dullness; state of being a bore, or the tendency to become tiresome and uninteresting |
boring | a. uninteresting and tiresome; dull |
boulder | n. a rounded rock lying on the surface of ground or embedded in soil |
bound | n. tied; held; committed; limit; constraint; leap; jump |
bowl | v. throw or roll a ball; move quickly and smoothly, especially by rolling |
braid | v. weave; interweave three or more strands |
breathe | v. respire; inhale and exhale air |
breathtaking | a. very surprising or shocking |
briny | a. salty; any huge body of saltwater |
broaden | v. widen; grow broad or broader |
bud | n. one that is not yet fully developed; sprout |
buggy | n. small, lightweight carriage; drawn by a single horse |
bulb | n. the rounded part of a cylindrical structure; electric lamp consisting of a glass ball |
bundle | v. tie, wrap, or gather together; hurry; hasten; dress oneself warmly |
burrow | n. tunnel; hole in the ground made by an animal for shelter; moving through by or as by digging |
cab | n. taxi; a one-horse vehicle for public hire |
cabal | n. a small group of persons secretly united to promote their own interests |
cabin | n. a small room on a ship or boat where people sleep |
cadence | n. rhythmic rise and fall of words or sounds; beat |
calculator | n. a small machine that is used for mathematical calculations |
cancel | v. revoke; call off; omit or delete |
candid | a. straightforward; frank; free from prejudice; impartial |
carat | n. unit of weight for precious stones; a measure of fineness of gold |
career | n. profession or occupation; individual's work and life roles over their lifespan |
cargo | n. freight carried by ship, an aircraft, or another vehicle |
caricature | n. a representation that is deliberately exaggerated to produce a comic effect |
cater | v. supply what is needed or desired; provide food professionally for a special occasion |
cause | n. something produces a result; the basis for an action or response; a reason |
cease | v. stop; terminate; put an end to; discontinue |
ceremonial | n. ritual; ceremony or rite |
chafe | v. wear away or irritate by rubbing; make sore by rubbing; annoy; vex |
chalk | n. soft, earthy substance, of a white, grayish, or yellowish-white color, used as a drawing implement |
championship | n. status of being a champion; position or title of a winner |
characteristic | n. a feature that helps to identify, tell apart, or describe recognizably; a distinguishing mark or trait |
chat | n. talk without exchanging too much information; informal conversation |
check | v. stop motion; curb or restrain |
checkup | n. thorough physical examination |
chili | n. very hot and finely tapering pepper of special pungency |
choppy | a. having many small waves; rough with small waves |
chronology | n. time sequence; an arrangement of events in time |
cipher | n. secret code; an Arabic numeral or figure; a number |
circle | n. round; something shaped like such a ring; a group of people sharing an interest, activity, or achievement |
circular | a. round; shaped like or nearly like a circle |
circulation | n. spread or transmission of something to a wider group or area |
circumstance | n. situation; condition; detail accompanying or surrounding an event |
citizenship | n. status of a citizen with rights and duties |
clam | n. soft edible body of such as mollusk |
clause | n. sentence; phrase; distinct article, stipulation, or provision in a document |
clay | n. very fine-grained soil that is plastic when moist but hard when fired |
climate | n. weather condition; atmosphere; environment |
cling | v. hold fast or adhere to something; stick together and resist separation; remain emotionally |
clip | n. a small section of filmed or filed material |
coach | n. tutor; teacher; a vehicle carrying many passengers |
coalescence | n. union of diverse things into one body or form or group; growing together of parts |
coarse | a. rough; harsh; of low, common, or inferior quality |
coffeepot | n. tall pot in which coffee is brewed |
cohesion | n. a tendency to keep together |
coin | n. small piece of metal, usually flat and circular, authorized by a government for use as money |
coincidence | n. two or more things occurring at the same time by chance |
collaborate | v. work together, especially in a joint intellectual effort |
collaboration | n. act of working together; act of cooperating with an enemy, especially it occupying one's own country |
collusion | n. a secret agreement for any illegal purpose; conspiracy |
colonize | v. migrate to and settle in; plant |
combine | v. blend; fuse; merge |
commerce | n. trade; business; intellectual exchange or social interaction |
committee | n. special group delegated to consider some matter |
community | n. society; a group of people living in the same locality and under the same government |
commuter | n. someone who regularly travels from home in a suburb to work in a city |
compact | n. small and economical car; small cosmetics case |
comparable | a. similar or equivalent; being of equal regard; worthy of being ranked with |
comparative | a. relative; based on, or involving comparison |
compensation | n. something given or received as payment as for a service or loss or injury |
compensatory | a. serving to compensate or as compensation; making amends; repaying |
competition | n. struggle; rivalry; an act of competing as for a profit prize |
complement | n. something that completes or makes up a whole or brings to perfection |
complementary | a. serving to fill out or to complete; supplying mutual needs or offsetting mutual lacks |
complicated | a. difficult to analyze or understand |
comply | v. yield assent; accord; agree, or acquiesce; adapt one's self; fulfill; accomplish |
compose | v. write; create; make or create by putting together parts or elements |
comprehend | v. take in the meaning, nature, or importance of; grasp |
comprehensible | a. understandable; readily comprehended or understood; intelligible |
comprehensive | a. thorough; including all or everything; broad in scope |
concept | n. something formed in mind; thought or notion |
concurrent | a. simultaneous; coincident; occurring or operating at the same time |
condiment | n. seasoning; something used to give relish to food; something used to enhance the flavor of food, like salt or pepper |
condition | n. mode or state of being; fitness; existing circumstances |
conductivity | n. transmission of heat or electricity or sound |
confinement | n. state of being confined; restraint within limits; any restraint of liberty by force |
confining | a. restricting scope or freedom of action; crowded |
confirm | v. support or establish the certainty or validity of; verify |
conformity | n. similarity in form or character; agreement |
congratulation | n. act of acknowledging that someone has an occasion for celebration |
congruity | n. relation or agreement between things; fitness; harmony; correspondence; consistency. |
connoisseur | n. specialist; a person with expert knowledge or training, especially in the fine arts |
consecutive | a. following one after another without interruption; sequential |
consequence | n. result; relation of a result to its cause; logical conclusion or inference |
consequent | a. resulting; following as a logical conclusion |
conservative | a. favoring traditional views and values; tending to oppose change |
conserve | v. retain; protect from loss or harm; preserve; use carefully or sparingly, avoiding waste |
considerably | ad. substantially; significantly; to a degree worth considering |
considerate | a. thoughtful; marked by consideration or reflection; deliberate |
consistent | a. agreeing with itself; coherent; regular |
constrain | v. restrain; keep within close bounds; confine |
constraint | n. something that restricts or confines within prescribed bounds |
consult | v. seek advice or information of; take into account; consider |
container | n. any object that can be used to hold things |
contaminate | v. make impure or unclean by contact or mixture; pollute; defile |
content | n. volume; something contained; material, including text and images |
contented | a. satisfied or showing satisfaction with things as they are |
contiguous | a. sharing an edge or boundary; touching; neighboring |
continuum | n. sequence; succession; continuous extent, succession, or whole |
contrast | v. set in opposition to show or emphasize differences; show differences when compared |
convenience | n. state of being suitable |
convention | n. social or moral custom; formal meeting of members, representatives, or delegates; agreement between states |
convert | n. change something into another form; transform |
cooperate | v. work or act together toward a common end or purpose |
corn | n. plants, such as wheat, maize, oats, and barley, that can be used to produce flour |
cosmopolitan | a. sophisticated; of worldwide scope |
counseling | n. something that provides direction or advice as to a decision or course of action |
couple | n. a male and female associated together; a pair who associate with one another |
craft | n. something made by people; vessel |
crash | n. smash; collision; falling down or in pieces with a loud noise of breaking parts |
crayon | n. stick of colored wax or chalk, used for drawing |
creek | n. a small stream, often a shallow tributary to a river; brook |
crippling | a. causing someone to be physically disabled, especially unable to walk; causing severe damage or problems |
critical | a. urgently needed; absolutely necessary; essential; acute; crucial; decisive |
critique | n. critical review or commentary, especially one dealing with works of art or literature |
crossbones | n. two crossed bones used as a symbol of danger or death |
crossbreeding | n. reproduction by parents of different races |
crossing | n. traveling across; place at which roads, lines, or tracks intersect; intersection |
crumple | v. fall apart; fold or collapse; crush together or press into wrinkles |
crush | v. press between opposing bodies so as to break or injure; extract or obtain by pressing or squeezing |
cube | n. three-dimensional shape with six square or rectangular sides; cubicle, used for work or study |
curiosity | n. desire to know or learn |
current | n. stream; flow; up-to-date; present |
cushion | n. soft pillow or pad usually used for sitting, reclining, or kneeling |
custom | n. tradition; practice followed by people of a particular group or region |
customarily | ad. usually; under normal circumstances, normally |
cyclone | n. violent rotating windstorm |
dart | v. move suddenly and rapidly |
dawn | n. time each morning at which daylight first begins; beginning; start |
dawning | n. first light of day; first advent or appearance |
dearth | n. scarcity; shortage of food; famine from failure or loss of crops |
debris | n. remains of something that has been destroyed or broken up |
decadent | a. self-indulgent; moral decay |
decent | a. suitable; modest.; honorable; meeting accepted standards |
declare | v. state clearly; make known formally or officially |
decline | n. change toward something smaller or lower; gradual falling off from a better state |
defend | v. make or keep safe from danger, attack, or harm |
deference | n. willingness to carry out the wishes of others; great respect |
deferential | a. showing deference; being respectful and considerate |
deficiency | n. scarcity; lack or shortage, especially of something essential to health |
definitely | ad. clearly; without question and beyond doubt |
dehydrate | v. remove water from; dry out; lose water or bodily fluids |
dehydrated | a. suffering from excessive loss of water |
deign | v. condescend to give or grant; esteem worthy; consider worth notice |
delegate | n. a person authorized to act as a representative for another; deputy |
demobilize | v. retire from military service |
demonstrate | v. show clearly and deliberately; manifest; confirm; prove |
denote | v. indicate; signify directly; refer to specifically |
dense | a. thick; crowded closely together; compact |
density | n. thickness; the quantity of something per unit measure, especially per unit length, area, or volume |
depart | v. take off; leave; set out |
dependable | a. reliable; worthy of being depended on; trustworthy |
dependence | n. reliance; lack of independence or self-sufficiency |
dependent | a. relying on or requiring the aid of another for support |
depict | v. represent in a picture or sculpture; portray in words; describe |
deposit | n. money given as a guarantee or security |
depressed | a. sad; gloomy; low in spirits; dejected |
derivative | a. unoriginal; derived from another source |
desalination | n. removal of salt; a process of removing salt from seawater to make drinking water |
deserted | a. remote from civilization; left desolate or empty; abandoned |
desirable | a. worthwhile; worth doing or achieving; advisable |
desolate | a. unpopulated; providing no shelter or sustenance; devoid of inhabitants |
desperately | ad. with great urgency; seriously; severely |
despoiler | n. someone who takes spoils or plunder; one who despoils or strips by force; a plunderer |
destination | n. ultimate goal; the place to which one is going or directed |
deterrent | n. something that discourages; tending to deter |
devastate | v. ruin; lay waste; destroy; make desolate |
device | n. technique or means; instrument; machine used to perform one or more relatively simple tasks |
diagonal | n. a straight line connecting any two vertices of a polygon that are not adjacent |
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