4000 Duolingo Vocabulary List
4000 Duolingo Vocabulary
- 4000 Duolingo Vocabulary (A)
- 4000 Duolingo Vocabulary (B)
- 4000 Duolingo Vocabulary (C)
- 4000 Duolingo Vocabulary (D)
- 4000 Duolingo Vocabulary (E F)
- 4000 Duolingo Vocabulary (G H)
- 4000 Duolingo Vocabulary (I J K)
- 4000 Duolingo Vocabulary (L M)
- 4000 Duolingo Vocabulary (N O)
- 4000 Duolingo Vocabulary (P Q)
- 4000 Duolingo Vocabulary (R)
- 4000 Duolingo Vocabulary (S)
- 4000 Duolingo Vocabulary (T)
- 4000 Duolingo Vocabulary (U - Z)
4000 Duolingo (E F) - Matching Quizzes
eddy 
1
 | somewhat old; advanced beyond middle age |
| branch of physics that deals with the behavior of electrons; electronic devices |
| massive, somewhat impure variety of quartz, in color of a gray to brown or black, breaking with fracture and sharp edge |
| swirling current of water, air; flow in a circular current |
efficient
2
| continuing forever or indefinitely |
| front of building; superficial or false appearance |
| effective; acting directly to produce an effect; exhibiting a high ratio of output to input |
| quality of something that causes or assists healthy growth |
element
3
| effective; acting directly to produce an effect; exhibiting a high ratio of output to input |
| eatable; the substance that can be used as a food |
| of or relating to the science of ecology; characterized by the interdependence of living organisms in an environment |
| a fundamental or essential constituent of a composite entity; basic assumptions or principles of a subject |
epidermis
4
| an outer, protective layer of skin of vertebrates |
| quality of something that causes or assists healthy growth |
| amuse; keep a group of people interested or enjoying themselves |
| act of assisting or making easier the progress or improvement of something |
equipment
5
| health; vigor; state or condition of being fit; suitability or appropriateness |
| oust; discharge; force or drive out |
| bring out; arouse; call forth |
| the set of necessary tools, clothing, etc. for a particular purpose |
everlasting
6
| capacity to attract intense interest |
| necessary; critical; vital; constituting or being part of the essence of something |
| a fundamental or essential constituent of a composite entity; basic assumptions or principles of a subject |
| continuing forever or indefinitely |
facilitate
7
| not subject to duty or obligation; not subject to taxation |
| leave out of; keep out of; reject |
| help bring about; make less difficult |
| effective; acting directly to produce an effect; exhibiting a high ratio of output to input |
facilitation
8
| act of assisting or making easier the progress or improvement of something |
| excessively agitated; transported with rage or other violent emotion |
| an outer, protective layer of skin of vertebrates |
| amuse; keep a group of people interested or enjoying themselves |
fateful
9
| make something double; bend or lay so that one part covers the other |
| a movement aimed at equal rights for women |
| decisive; having an important and usually negative effect |
| be superior; distinguish oneself |
flint
10
| effective; acting directly to produce an effect; exhibiting a high ratio of output to input |
| amount or quantity beyond what is normal or sufficient; surplus |
| massive, somewhat impure variety of quartz, in color of a gray to brown or black, breaking with fracture and sharp edge |
| of or relating to the science of ecology; characterized by the interdependence of living organisms in an environment |