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

Root also said he had spoken to his England team-mate about the incident, and expressed his frustration at the "stupid mistakes" that are continually being made.

From BBC ● Aug. 25, 2026

I know that sounds very obvious and stupid, but it’s true.

From Los Angeles Times ● Aug. 20, 2026

“Yeah, that’s a crazy stupid thing,” Cassidy replied.

From Salon ● Aug. 16, 2026

This might sound harsh, but I think that logic is, flatly, stupid.

From Slate ● Aug. 4, 2026

“I already told you, that’s just a stupid song! Nothing like that lives in these woods!”

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman

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

From The Wall Street Journal ● Jun. 28, 2026

“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

"They will do what he did," Matsson says, referring to Logan, "but they will do it stupider and uglier and less amenable."

From Salon ● May 8, 2023

“I won it fair and square from the Elkton boys up the street. I got a pair of boots out of it as well. You never seen a couple of stupider boys.”

From "Dread Nation" by Justina Ireland

“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

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

Tino looked at me like I had just said the stupidest thing he had ever heard and I was the biggest loser he had ever met.

From "Tangerine" by Edward Bloor

stupid

Usage

Example Sentences

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