From Middle French stupide, from Latin stupidus, from stupeō ("be amazed or confounded, be struck senseless"), from Proto-Indo-European *(s)tup-, *(s)tewp- ("to push, stick"), from Proto-Indo-European *(s)tew-.

• (RP) IPA: /ˈstjuː.pɪd/
• (Northern UK) IPA: /ˈʃtjuː.pɪd/, /st͡ʃjuː.pɪd/
• (America) IPA: /ˈst(j)u.pɪd/
• (Australia) IPA: /ˈʃt͡ʃjʉː.pəd/

stupid (comparative stupider, superlative stupidest)

1. Without intelligence.

   Synonyms: Thesaurus:stupid

   1. (of animates) Lacking in intelligence.

      It got trapped in the fishing net because it's a big stupid jellyfish!

   2. Exhibiting the quality of having been done by someone lacking in intelligence.

      So I have to pay first, and then wait in line? That's a stupid rule!

   3. Unpleasant; annoying to the speaker. This sense can be used alongside obscene words.

      The stupid rusty wire cut my thumb when I grabbed it.

   4. (euphemistic, by association) Usually replaces an obscene or profane word, and thus is audibly stressed as such.

      I fall for every stupid trick every stupid day in this whole stupid world!

   • 2018, “The Secret(s) of Castle McDuck!”, in DuckTales:

     Dewey: "It's too narrow for all three of us. Oh, bummer!"
     Huey: "Or we could just go single file."
     Dewey: "Stupid smart Huey..."

2. To the point of stupor.

   Neurobiology bores me stupid.

   I am not sure if he is stupid with tiredness or inebriety.

   1. (archaic) Characterized by or in a state of stupor; paralysed.
      • 1702, Alexander Pope, Sappho, section 128:

        No sigh to rise, no tear had pow'r to flow, Fix'd in a stupid lethargy of woe.

   2. (archaic) Lacking sensation; inanimate; destitute of consciousness; insensate.
      • 1744, George Berkeley, Siris, §190:

        Were it not for [fire], the whole wou'd be one great stupid inanimate mass.

   3. Dulled in feeling or sensation; torpid.
3. (slang) Amazing.

   That dunk was stupid! His head was above the rim!

• daft
• inept

• stoopid
• stupe
• stupefy
• stupidity
• stupor
• stupendous

• French: stupide, bête
• German: dumm, doof, blöd
• Italian: stupido, scemo
• Portuguese: estúpido
• Russian: глу́пый
• Spanish: estúpido, menso, gilí, pendejo, tonto

• Italian: stupefatto
• Portuguese: estupidificado
• Spanish: estupefacto, zonzo

• Portuguese: estupendo
• Spanish: pasmoso

stupid

1. (slang) Extremely.

   My gear is stupid fly.

   • 2011 Allen Gregory, "Pilot" (season 1, episode 1):

     Richard DeLongpre: Aw, we did, didn't we? I'm sorry. I'm so stupid in love with you.

• Portuguese: (literally, slang) estupidamente

stupid

1. A stupid person; a fool.
   • 1910, Saki [pseudonym; Hector Hugh Munro], “The Strategist”, in Reginald in Russia and Other Sketches, London: Methuen & Co. […], →OCLC ↗, page 87 ↗:

     "You stupid!" screamed the girls, "we've got to guess the word. Now you'll have to go back and think of another."

   • 1922, Elizabeth G. Young, Homestead ranch:

     "What a stupid I am!" Harry exclaimed, as she watched the man ride away in the distance.

2. (colloquial, uncountable) The condition or state of being stupid; stupidity, stupidness.

   His stupid knows no bounds.

   As long as our staff keeps giving us the stupid, we'll never get our work done.

• German: Dummkopf