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idiot Line breaks: idiot
Pronunciation: /ˈɪdɪət/

Definition of idiot in English:

noun

1 informal A stupid person.
Example sentences
  • And he is not coming into court acting like an idiot and being stupid on the stand.
  • If he's such an idiot, how stupid are your guys to be losing to him this repeatedly?
  • According to reports, at least half of the one hundred sheer blinding idiots stupid enough to mount the fencing and jump needed treatment from paramedics.
Synonyms
fool, ass, halfwit, nincompoop, blockhead, dunce, dolt, ignoramus, cretin, imbecile, dullard, moron, simpleton, clod
informal dope, ninny, chump, dimwit, goon, dumbo, dummy, dum-dum, dumb-bell, loon, dork, jackass, bonehead, fathead, numbskull, dunderhead, chucklehead, knucklehead, muttonhead, pudding-head, thickhead, wooden-head, airhead, pinhead, lamebrain, pea-brain, birdbrain, zombie, jerk, nerd, dipstick, donkey, noodle
British informal nit, nitwit, twit, numpty, clot, plonker, berk, prat, pillock, wally, git, wazzock, divvy, nerk, twerp, twonk, charlie, mug, muppet
Scottish informal nyaff, balloon, sumph, gowk
Irish informal gobdaw
North American informal schmuck, bozo, boob, lamer, turkey, schlepper, chowderhead, dumbhead, goofball, goof, goofus, galoot, lummox, klutz, putz, schlemiel, sap, gink, cluck, clunk, ding-dong, dingbat, wiener, weeny, dip, simp, spud, coot, palooka, poop, squarehead, yo-yo, dingleberry
US informal wing nut
Australian/New Zealand informal drongo, dill, alec, galah, nong, bogan, poon, boofhead
South African informal mompara
British vulgar slang knobhead
North American vulgar slang asshat
archaic tomfool, noddy, clodpole, loggerhead, spoony, mooncalf
1.1 archaic A person of low intelligence.
Example sentences
  • In 1324 idiots and lunatics had different rights in law, but now these words have lost their more precise meanings and become little more than insults.

Origin

Middle English (denoting a person of low intelligence): via Old French from Latin idiota 'ignorant person', from Greek idiōtēs 'private person, layman, ignorant person', from idios 'own, private'.

More
  • This comes via Latin idiota ‘ignorant person’, from Greek idiōtēs ‘private person, layman, ignorant person’ based on idios ‘own, private’, and reflecting the attitude in the ancient world to those who did not take an active part in public life.

Definition of idiot in:
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