stupid

Etymology

From Middle French stupide, from Latin stupidus (“struck senseless, amazed”), from stupeō (“be amazed or confounded, be struck senseless”), from Proto-Indo-European *(s)tup-, *(s)tewp- (“to wonder”), from Proto-Indo-European *(s)tew- (“to stand, stay”). Cognate with Old High German stubarōn (“to be astonished, be stunned, be blocked”). Related also to Old English stoppian (“to block, stop”). See stop.

adj

1. Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.
   It got trapped in the fishing net because it's a big stupid jellyfish!
   I should have spoke to him there and then, seen he was in the mood to do something stupid. 1 May 2014, John Barker, Futures: A Novel, PM Press, page 131
2. To the point of stupor.
   Neurobiology bores me stupid.
3. (archaic) Characterized by or in a state of stupor; paralysed.
   No sigh to rise, no tear had pow'r to flow, Fix'd in a stupid lethargy of woe. 1702, Alexander Pope, Sappho, section 128
4. (archaic) Lacking sensation; inanimate; destitute of consciousness; insensate.
   Were it not for [fire], the whole wou'd be one great stupid inanimate mass. 1744, George Berkeley, Siris, §190
5. Dulled in feeling or sensation; torpid.
   She had never seen Frank Churchill so silent and stupid. He said nothing worth hearing—looked without seeing—admired without intelligence—listened without knowing what she said. 1815, Jane Austen, Emma, volume III, chapter 7
6. (slang) Amazing.
   That dunk was stupid! His head was above the rim!
7. (slang, euphemistic) Replaces an obscene or profane word.
   I fell over the stupid wire.
   We can't go swimming because there's a big stupid jellyfish in the water!
   Mom: Oh you stupid car! What's wrong with you now?!? Calvin: That's it, Mom! Go ahead and swear! We don't mind! Feb 23 1986, Bill Watterson, Calvin & Hobbes (comic)
   Calvin, be quiet and eat the stupid lima beans. April 7 1986, Bill Watterson, Calvin & Hobbes (comic)
   Dewey: "It's too narrow for all three of us. Oh, bummer!" Huey: "Or we could just go single file." Dewey: "Stupid smart Huey..." 2018, “The Secret(s) of Castle McDuck!”, in DuckTales

adv

1. (slang) Extremely.
   My gear is stupid fly.
   Richard DeLongpre: Aw, we did, didn't we? I'm sorry. I'm so stupid in love with you. 2011 Allen Gregory, "Pilot" (season 1, episode 1)
   I'm your mother, sister, your father, brother / This family is stupid attractive 2013, Lady Gaga (lyrics and music), “Jewels N' Drugs”, in Artpop

noun

1. A stupid person; a fool.
   "What a stupid I am!" Harry exclaimed, as she watched the man ride away in the distance. 1922, Elizabeth G. Young, Homestead ranch
   Some stupid with a flare gun burned the place to the ground. 1972, “Smoke on the Water”, performed by Deep Purple
   At least those stupids got their money's worth out of this country before they burnt their lungs out. 1996, Anita Rau Badamim, Tamarind Mem
2. (colloquial, uncountable) The condition or state of being stupid; stupidity, stupidness.
   His stupid knows no bounds.