TOEFL

abundant

present in large quantities

accustomed

used to something

adamant

refusing to change an opinion

adjacent

close to or next to

aggregate

to combine

allocate

to put aside for specific purpose

ambigious

unclear and difficult to understand

amend

to change for better, to improve

ample

plentiful

antagonize

to tease or be hostile towards a person or a group

arbitrary

based on a random decision

augment

to increase or make larger

berate

to scold

bestow

to give as a gift

brash

rude and tactless

brusque

abrupt to the point of rudeness

cease

to stop

coalesce

to combine or to grow together

coerce

to force something to do something against their will

cognizant

being aware of having knowledge of something

cohesion

uniting, becoming one

coincide

to occur at the same time

conceal

to hide

convey

to make known

copious

abundant

cumbersome

clumsy

decay

to decline in health or excellence

decipher

to find the meaning of

deplete

to significantly decrease

deter

to discourage

devise

to create or plan

diatribe

a sharp criticism or attack

digress

to wander from the main subject

diminish

to shrink or reduce

dispose

to get rid of

distort

to misrepresent

eloquent

moving speech or writing

epitome

a perfect example of something

erroneous

incorrect

evade

to avoid or escape

exploit

use selfishly

famine

a time when there is an extreme lack of food

feasible

possible to do

fluctuate

to change continually

fortify

to strengthen

frivolous

unnecessary, of little importance

garbled

communication that is distorted and unclear

hackneyed

overused and unoriginal

hindrance

something that causes delay or resistance

impoverish

to reduce to poverty

incentive

a reason to do something

incessant

continuing without pause

incidental

a minor part

incite

to urge on

indefatigable

untiring

infer

to guess based on evidence

inhibit

to hinder or restrain

integrate

to combine

intrepid

fearless

irascible

easy to anger

irresolute

uncertain

jargon

words specific to a certain job or group

knack

special talent or skill

lampoon

to mock or ridicule

languish

to become weak or neglected

leery 

wary

lenient

merciful

ludicrous

ridiculous

mediocare

average, ordinary

morose

depressed, gloomy

negligent

lazy

paradigm

a typical example of something

parsimonious

frugal, stingy

paucity

something existing in very small amount

peripheral

located on the side or edge

permeate

to penetrate or pass through

pertain

relate

prevalent

widespread

progeny

offspring

quarrel

disagreement or fight to have an argument

rebuke

to sternly disapprove

resent

to feel bitterness or anger towards someone or something

scrutinize

to very carefully examine

sparse

thinly scattered

squalid

filthy and unpleasant

stagnant

showing little (very small) movement

subtle

difficult to notice right away

unobtrusive

not attracting attention

vacillate

to waver or be indecisive

vestige

a small trace of something that is disappearing or has already disappeared

vial

a small container used to hold liquids

vilify

to speak poorly of

voluminous

taking up a lot of space

whereas

on the contrary

wholly

completely

wilt

to droop and become limp