Definitions

stupid

[stoo-pid, styoo-] / ˈstu pɪd, ˈstju- /

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not intelligent, thick-headed adj.
ill-advised, pointless adj.

ADJECTIVE

not intelligent, thick-headed

Synonyms

STRONGEST

dimwitted doltish empty-headed fatuous foolish half-witted imbecilic moronic obtuse simple slow-witted thick-headed thick-witted unintelligent unthinking witless

STRONG

blockheaded boneheaded brainless dazed dense dim gullible idiotic impenetrable mindless out to lunch puerile senseless simpleminded thick thoughtless vacuous

WEAK

deficient dopey dozy dull dumb dummy indiscreet insensate naive slow sluggish stolid stupefied

Antonyms

STRONGEST

astute bright brilliant clever intelligent keen-witted on the ball perceptive quick-witted sensible sharp smart

STRONG

acute alert genius nimble-witted quick on the uptake reasonable savvy sharp as a tack thoughtful wise

WEAK

aware brainy careful cognizant prudent responsible serious

ADJECTIVE

ill-advised, pointless

Synonyms

STRONGEST

counterproductive foolhardy foolish ill-advised ill-considered ill-founded injudicious misguided pointless reckless senseless

STRONG

absurd half-baked imprudent incautious inexpedient laughable ludicrous madcap meaningless poorly planned rash short-sighted unproductive

WEAK

asinine futile ill-judged inane irrelevant nonsensical silly trivial

Antonyms

STRONGEST

astute circumspect ingenious judicious sensible sound well-considered well-thought-out worthwhile

STRONG

considered discreet effective far-sighted prudent reasonable shrewd thoughtful well-founded well-informed well-planned wise

WEAK

constructive helpful meaningful

Usage

What are other ways to say stupid? The adjective stupid implies natural slowness or dullness of intellect, or, sometimes, a benumbed or dazed state of mind; it is also used to mean foolish or silly: He was rendered stupid by a blow; It is stupid to do such a thing. Foolish implies a lack of common sense or good judgment or, sometimes, a weakness of mind: a foolish decision; The child seems foolish. Fatuous implies being not only foolish, dull, and vacant in mind, but complacent and highly self-satisfied as well: fatuous and self-important; fatuous answers. Silly denotes extreme and conspicuous foolishness; it may also refer to pointlessness of jokes, remarks, etc.: silly and senseless behavior; a perfectly silly statement. Inane applies to silliness that is notably lacking in content, sense, or point: inane questions that leave one with no reply. Asinine originally meant like an ass; it applies to witlessly stupid conversations or conduct and suggests a lack of social grace or perception: He failed to notice the reaction to his asinine remarks.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

stupid stupider stupidest

“You can pay some stupid broker,” he said.

From The Wall Street Journal ● Nov. 4, 2026

There have been, it seems, a thousand flashes in the pan: Beto O’Rourke’s rolled-up shirtsleeves, Anthony Weiner’s city-kid mouthiness, Graham Platner’s stupid little butch mustache.

From Slate ● Oct. 27, 2026

Brands have taken notice too and Truran says she'd "be stupid" not to do deals but is selective.

From BBC ● Oct. 22, 2026

“I don’t want to like him. I like him for some stupid reason.”

From Salon ● Oct. 19, 2026

Hope for Children was a stupid name, but he was relieved, somehow, that it wasn’t the Happy Family Adoption Agency, the same one that Chip’s family had dealt with.

From "Found" by Margaret Peterson Haddix

“I was a bit stupider back then,” he says.

From The Wall Street Journal ● Jun. 28, 2026

Other news reports more definitively declared that, yes, ChatGPT is becoming stupider.

From Scientific American ● Aug. 2, 2023

Otherwise, the whole room gets stupider and stupider.

From Seattle Times ● Jun. 20, 2023

What could he say: I thought up an even stupider conspiracy than yours, and even though I can’t prove it’s true, I’m still afraid it will kill you?

From Slate ● Sep. 24, 2022

Whatever stupid research she’s done that might suggest the Ranch is a bad place to live is wrong, so I’ll answer her even stupider questions honestly to prove it.

From "The Wrong Way Home" by Kate O’Shaughnessy

And talking to him in the stupidest voices,

From Los Angeles Times ● Dec. 4, 2025

Some pundits might be calling it “the most important chart in the world,” Perkins said, but in reality, it is closer to “the stupidest chart in the world.”

From MarketWatch ● Nov. 6, 2025

That’s “completely bogus,” writes TS Lombard Managing Director Dario Perkins, who calls it “the stupidest chart in the world.”

From Barron's ● Nov. 6, 2025

That is one of the stupidest things I’ve heard.

From The Wall Street Journal ● Oct. 27, 2025

Cause that’s one a the stupidest questions I ever heard.

From "The Help" by Kathryn Stockett

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