by Hatice Oncel TOEFL VOCAB-8
adj. inactive, unused; lazy He's a very able student, he's just bone idle (= very lazy). It's crazy to have £7000 sitting idle in the bank idle
adj. creative, original, clever an imaginative new approach/policy imaginative
Adj. huge, enormous, massive They spent an immense amount of time getting the engine into perfect condition immense
v. damage, injure, spoil She suffers from impaired vision/hearing impair
adj. fair, neutral A trial must be fair and impartial impartial
v. realize, achieve, execute; n. tool, instrument garden/household/agricultural implements implement
adj. constant, ceaseless, continuous incessant rain/noise/complaints incessant
n. increase, amount You will receive annual salary/pay increments every September increment
n. raid, attack incursions into enemy territory incursion
adj. uncaring, apathetic, unconcerned He found it very hard teaching a class full of indifferent teenagers. indifferent
Native Are there any species of frog indigenous to the area? indigenous
adj. necessary, essential, vital, critical This book is an indispensable resource for researchers indispensable
Adj. unclear, blurry, hazy, fuzzy an indistinct shape/sound/recollection indistinct
v. persuade, convince, coax Nothing could induce me (= I definitely cannot be persuaded) to climb a mountain/ride a bike. induce
Clumsy, awkward an inept comment/remark He was always rather inept at sport inept
adj. unstoppable the inexorable progress of science inexorable
adj. notorious, famous for something considered bad He's infamous for his bigoted sense of humour. infamous
adj. limitless, endless The universe is theoretically infinite infinite
adj. tiny, minute The amounts of radioactivity present were infinitesimal. infinitesimal
adj. naïve, trusting, gullible It has to be said it was rather ingenuous of him to ask a complete stranger to look after his luggage. ingenuous
adj. brilliant, clever an ingenious idea/method/solution ingenious
v. inhabit, dwell, reside These remote islands are inhabited only by birds. inhabit
v. control, limit, restrain This drug inhibits the growth of tumours. inhibit
adj. natural, inborn Cyril's most impressive quality was his innate goodness innate
Adj. harmless, inoffensive Some mushrooms look innocuous but are in fact poisonous innocuous
powerful, concentrated intense
adj. complicated, complex, elaborate Police officers uncovered an intricate web of deceit intricate
adj. angry, upset, annoyed We have received some irate phone calls from customers. irate
rough, rugged, irregular a jagged cut/tear, jagged rocks, a jagged line/edge jagged
n. danger, hazard, risk The lives of thousands of birds are in jeopardy as a result of the oil spillage. jeopardy
Adj. joyful, happy, cheerful She's a very jolly, upbeat sort of a person jolly
v. shock, jar The train stopped unexpectedly and we were jolted forwards jolt
adj. sharp, clever, eager a keen north wind keen
n. skill, aptitude, talent She has the knack of making people feel comfortable knack