from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Slow to learn or understand; obtuse.
- adj. Tending to make poor decisions or careless mistakes.
- adj. Marked by a lack of intelligence or care; foolish or careless: a stupid mistake.
- adj. Dazed, stunned, or stupefied.
- adj. Pointless; worthless: a stupid job.
- n. A stupid or foolish person.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.
- adj. To the point of stupor.
- adj. Characterized by or in a state of stupor; paralysed.
- adj. Lacking sensation; inanimate; destitute of consciousness; insensate.
- adj. Amazing.
- adj. damn, annoying, darn
- adv. Extremely.
- n. A stupid person; a fool.
from the GNU version of the Collaborative International Dictionary of English
- adj. Very dull; insensible; senseless; wanting in understanding; heavy; sluggish; in a state of stupor; -- said of persons.
- adj. Resulting from, or evincing, stupidity; formed without skill or genius; dull; heavy; -- said of things.
from The Century Dictionary and Cyclopedia
- In a state of stupor; having the faculties deadened or dulled; stupefied, either permanently or temporarily; benumbed.
- Lacking ordinary activity of mind; dull in ideas or expression; slow-witted; obtuse; crass.
- Characterized by mental dullness or inanity; witless; senseless; foolish; inane: as, a stupid joke; a stupid book; stupid fears.
- Synonyms Heavy, dull, drowsy, lethargic, comatose, torpid.
- Muddy-brained, muddled.
- Silly, Foolish, etc. (see absurd); flat, tame, humdrum, pointless, prosaic. See list under foolish.
- n. A stupid or humdrum person; a blockhead; a dunce.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. in a state of mental numbness especially as resulting from shock
- adj. lacking or marked by lack of intellectual acuity
- adj. lacking intelligence
- n. a person who is not very bright
Latin stupidus, from stupēre, to be stunned.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle French stupide, from Latin stupidus ("struck senseless, amazed"), from stupeō ("be amazed or confounded, be struck senseless"). (Wiktionary)