Definitions

stupid

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

ADJECTIVE

not intelligent; irresponsible

Synonyms

STRONGEST

dull dumb foolish futile ill-advised irrelevant laughable ludicrous naive senseless shortsighted simple trivial

STRONG

dummy loser rash thick unintelligent

WEAK

brainless dazed deficient dense dim doltish dopey gullible half-baked half-witted idiotic imbecilic inane indiscreet insensate meaningless mindless moronic nonsensical obtuse out to lunch pointless puerile simpleminded slow sluggish stolid stupefied thick-headed unthinking witless

Antonyms

STRONGEST

bright careful intelligent prudent reasonable sensible serious sharp smart thoughtful wise

WEAK

cognizant responsible

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

The woman said after Brand left the room she was "just sitting there crying and I felt stupid," adding: "In that moment in time I was just shocked."

From BBC ● Oct. 15, 2026

You’ve probably heard the phrase It’s the economy, stupid.

From Slate ● Oct. 14, 2026

“I mean, she thinks we’re stupid, that’s really what it comes down to,” he said later.

From Salon ● Oct. 12, 2026

The first book is a stupid sports book.

From Los Angeles Times ● Oct. 11, 2026

When I finish the essay question, I suddenly see how stupid I am.

From "The Tenth Mistake of Hank Hooperman" by Gennifer Choldenko

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

From The Wall Street Journal ● Jun. 28, 2026

Harris was also tasked with responding to Trump’s second lie, which was subtler but stupider.

From Slate ● Sep. 11, 2024

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

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

“I was like, ‘That is the stupidest looking bait I have ever seen in my life,’” Anaya says.

From The Wall Street Journal ● Aug. 12, 2026

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

They experienced drinking camel's milk together which Henry said was "the craziest and probably the stupidest thing we did out there" - they all fell ill for 48 hours after.

From BBC ● Dec. 29, 2024

“So did I, it was the stupidest thing I’ve ever seen.”

From "Harry Potter and the Half-Blood Prince" by J.K. Rowling

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