stupid

adj., -er, -est.

1. Slow to learn or understand; obtuse.
2. Tending to make poor decisions or careless mistakes.
3. Marked by a lack of intelligence or care; foolish or careless: a stupid mistake.
4. Dazed, stunned, or stupefied.
5. Pointless; worthless: a stupid job.

n.
A stupid or foolish person.

[Latin stupidus, from stupēre, to be stunned.]

stupidly stu'pid·ly adv.
stupidness stu'pid·ness n.

adjective

1. Lacking mental and physical alertness and activity: hebetudinous, lethargic, sluggish, stuporous, torpid. Slang dopey. See action/inaction.
2. Lacking in intelligence: blockheaded, dense, doltish, dumb, hebetudinous, obtuse, thickheaded, thick-witted. Informal thick. Slang dimwitted, dopey. See ability/inability.

adj

Definition: not intelligent; irresponsible
Antonyms: cognizant, intelligent, prudent, responsible, sensible, smart

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IN BRIEF: n. - A person who is not very bright adj. - Lacking or marked by lack of intellectual acuity; Lacking intelligence.

The wise are instructed by reason, average minds by experience, the stupid by necessity and the brute by instinct. — Cicero

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Dansk (Danish)
adj. - dumt, tåbeligt, fjollet, stupidt, dorsk, sløv, kedelig
n. - dumhed

Nederlands (Dutch)
stom, dwaas

Français (French)
adj. - stupide, bête, idiot, imbécile, abruti
n. - imbécile

Deutsch (German)
adj. - dumm, benommen
n. - Dummkopf

Ελληνική (Greek)
adj. - ηλίθιος, ανόητος, ενοχλητικός

Italiano (Italian)
idiota, stupido

Português (Portuguese)
adj. - lerdo

Русский (Russian)
дурак, глупый, скучный, оцепеневший

Español (Spanish)
adj. - tonto, bobo, estúpido, atontado, aturdido, soso, aburrido, sin interés
n. - tonto, bobo, estúpido, necio

Svenska (Swedish)
adj. - dum, enfaldig, obegåvad, tråkig, ledsam, omtöcknad

中文（简体）(Chinese (Simplified))
愚蠢的, 笨的, 迟钝的, 麻木的, 无知觉的, 无聊的, 讨厌的, 乏味的, 笨蛋, 傻瓜

中文（繁體）(Chinese (Traditional))
adj. - 愚蠢的, 笨的, 遲鈍的, 麻木的, 無知覺的, 無聊的, 討厭的, 乏味的
n. - 笨蛋, 傻瓜

한국어 (Korean)
adj. - 어리석은, 우둔한, 몹시 시시한
n. - 바보 , 멍청이

日本語 (Japanese)
adj. - ばかな, ばかげた, 下らない, ぼうっとした, 感覚が麻痺した
n. - ばか

العربيه (Arabic)
‏(صفه) غبي, أحمق‏

עברית (Hebrew)
adj. - ‮טיפשי, אווילי, מגוחך, מטומטם, מעורפל-חושים, משעמם‬
n. - ‮מטומטם, טיפשון‬

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