stupid

I

(New American Roget's College Thesaurus)

adj. slow-witted, dull, obtuse; benumbed, bemused; absurd, inane; banal, tiresome, tedious, dull. See ignorance, credulity, folly.Ant., smart, witty.

II

(Roget's IV) modif.

1. [Foolish]

Syn. senseless, brainless, idiotic, simple, ignorant, shallow, ill-advised, imprudent, witless, irrational, inane, ridiculous, mindless, ludicrous, blind, muddled, absurd, half-witted, funny, comical, silly, laughable, nonsensical, daft, illogical, indiscreet, unintelligent, irresponsible, coquettish, shallow-brained, scatterbrained, crackbrained, addled, inconsistent, flirting, unwary, incautious, misguided, wild, injudicious, imbecile, addleheaded, lunatic, insane, mad, crazy, moronic, touched, freakish, comic, puerile, inexpedient, narrow-minded, incoherent, childish, anile, senile, monstrous, outrageous, far-fetched, extravagant, preposterous, unreasonable, chimerical, asinine, useless, unwise, thoughtless, careless, vain, fatuous, light, light-headed, flighty, madcap, giddy, cuckoo*, dippy*, not seeking for looking*, boneheaded*, goofy*, cracked*, dumb*, half-baked*, in the dark*, having a block for a head*, not knowing what's what*, in darkness*, dead to the world*, in a daze*, knowing nothing*, groping in the dark*, green*, wacky*, harebrained*, tetched*, damn-fool*, block-headed*, not seeing an inch beyond one's nose*, screwy*, bats*, cock-eyed*, loony*, batty*, nutty*.

Ant. sane*, wise, judicious.

2. [Dull]

Syn. dense, obtuse, slow, retarded, dull-witted; see also dull 3 , shallow 2 .

See Synonym Study at silly . Syn.- stupid implies a lack of intelligence or an incapacity for perceiving or learning such as might be shown by one in a mental stupor [ a stupid idea ] ; dull implies a mental sluggishness that may be constitutional or may result from fatigue, disease, etc. [ the fever left me dull and listless ] ; dense suggests obtuseness, or an irritating failure to understand quickly or to react intelligently [ too dense to take a hint ] ; slow suggests that the quickness to learn, but not necessarily the capacity for learning, is below average [ a pupil slow in most studies ] ; retarded is applied to those behind others of the same age or class because of mental deficiency [ a retarded pupil ]

III

(Roget's 3 Superthesaurus) a.

1. not intelligent dumb, dull, witless, retarded, intellectually challenged, thick, dense, ignorant, moronic, brainless, mindless, dim-witted, imbecilic, bone-headed, *dense as a post, *chowderheaded, *dead from the neck up, *down a quart, *birdbrained, *pea-brained, *three bricks shy of a load.

2. irrational foolish, silly, brainless, idiotic, nonsensical, senseless, unwise, ridiculous, poorly conceived, *half-baked.

ANT.: 1. brilliant, bright, smart, intelligent. 2. rational, thoughtful, wise

IV

(Roget's Thesaurus II) adjective 1. Lacking mental and physical alertness and activity: hebetudinous, lethargic, sluggish, stuporous, torpid. Slang: dopey. See ACTION. 2. Lacking in intelligence: blockheaded, dense, doltish, dumb, hebetudinous, obtuse, thickheaded, thick-witted. Informal: thick. Slang: dimwitted, dopey. See ABILITY.