human, individual, mortal, person, somebody, someone, soul - a human being; "there was too much for one person to do"

airhead - a flighty scatterbrained simpleton; "she's a total airhead"; "every airhead on a big salary rushed out to buy one"

dimwit, doofus, nitwit, half-wit - a stupid incompetent person

dingbat - a silly empty-headed person; "you would be a dingbat even to try it"; "yet here he was with an upper class dingbat who just happened to be married to his sister"

boob, booby, pinhead, dope, dumbbell, dummy - an ignorant or foolish person

blockhead, bonehead, dunce, dunderhead, fuckhead, hammerhead, knucklehead, loggerhead, lunkhead, muttonhead, numskull, shithead - these words are used to express a low opinion of someone's intelligence

fool, muggins, saphead, tomfool, sap - a person who lacks good judgment

changeling, cretin, half-wit, idiot, imbecile, moron, retard - a person of subnormal intelligence

idiot savant - person who is mentally retarded in general but who displays remarkable aptitude in some limited field (usually involving memory)

nebbech, nebbish - (Yiddish) a timid unfortunate simpleton

nincompoop, ninny, poop - a stupid foolish person

forgetful person, scatterbrain - a flighty and disorganized person

schlemiel, shlemiel - (Yiddish) a dolt who is a habitual bungler

schnook, shnook - (Yiddish) a gullible simpleton more to be pitied than despisedi; "don't be such an apologetic shnook"

sheep - a timid defenseless simpleton who is readily preyed upon

space cadet - someone who seems unable to respond appropriately to reality (as if under the influence of some narcotic drug)

lame, square - someone who doesn't understand what is going on

dolt, dullard, pillock, poor fish, pudden-head, pudding head, stupid, stupid person - a person who is not very bright; "The economy, stupid!"

subnormal - a person of less than normal intelligence

twerp, twirp, twit - someone who is regarded as contemptible