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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