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

"I was thinking me and him had a mutual understanding, and now I feel so stupid," she raged.

From BBC ● Oct. 30, 2026

"I believe he's not a stupid man but the fact is he says stupid things to get votes," he said.

From Barron's ● Oct. 23, 2026

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

From Salon ● Oct. 19, 2026

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

From Slate ● Oct. 14, 2026

Which, I reminded myself, was just plain stupid, since if she went down, I went down too.

From "Glitch" by Laura Martin

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

From The Wall Street Journal ● Jun. 28, 2026

That’s begun to happen, though in a stupider way than we’d predicted.

From Slate ● Apr. 5, 2025

“When they need to make stupid stupider, they send me up. I’m part comedian, I’m part activist, I’m part artist. I just want a better society,” Stevens said.

From Seattle Times ● Apr. 16, 2024

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

From Scientific American ● Aug. 2, 2023

“I’m sorry?” he adds, which sounds even stupider.

From "The Night Circus" by Erin Morgenstern

“I thought it was the stupidest idea,” said actress Mink Stole, who appeared in all of Waters’s feature films.

From The Wall Street Journal ● Sep. 20, 2026

This is the stupidest thing I’ve done in recent memory.

From Los Angeles Times ● Dec. 21, 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

He had probably just done the stupidest thing he had ever done in his short and miserable life.

From "Holes" by Louis Sachar

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