DictionaryAI

stupid

STOO-pid/ˈst(j)u.pɪd/SaySTYOO-pidUK/ˈstjuː.pɪd/AUS/ˈʃt͡ʃjʉː.pɪd/

Noun pluralstupids

10 meanings of stupid

Practice

  1. 1
    not smartadjective
    Not smart, and slow to learn or understand things.

    Like a phone that is too old and slow to do simple things.

    He felt stupid when he couldn't answer the easy question.

    People used to think geese were stupid birds.

    UsageYou can say stupider or more stupid.

    Similarunintelligent, dumb, dim, dense, slow

    Oppositeintelligent, smart, clever, bright

    Note
  2. 2
    badly judgedadjective
    Showing that little thought or care was put into it.

    Leaving the door unlocked was a stupid thing to do.

    Leaving the front door unlocked all weekend was a stupid mistake.

    UsageSay it was stupid of me to do that.

    Similarfoolish, silly, idiotic, senseless, dumb

    Oppositewise, sensible, smart, prudent

  3. 3
    annoyingadjective
    Annoying or unpleasant, used to show that you are upset about something.

    I can't get this stupid lid off the jar.

    My stupid phone died again right before the call.

    UsageUse it before a thing that annoys you: this stupid door.

    Similarannoying, wretched, blasted, darn, pesky

  4. 4
    nouncountable or uncountable
    A foolish person, or someone who acts without thinking.

    Hurry up, stupid, the bus is leaving!

    Don't just stand there, stupid, give me a hand.

    UsageUsed rudely to call someone a name.

    Similaridiot, fool, dummy, moron, dimwit

    Oppositegenius, brain

    Note

Practice

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Origin

From Latin stupidus, meaning "struck senseless" or "amazed," which came into English through Middle French stupide.

Checked 1 Nov 2026 · 3 facts