stu·​pid | \ ˈstü-pəd How to pronounce stupid (audio) , ˈstyü- \

Definition of stupid

 (Entry 1 of 2)

1a : slow of mind : obtuse
b : given to unintelligent decisions or acts : acting in an unintelligent or careless manner
c : lacking intelligence or reason : brutish
2 : dulled in feeling or sensation : torpid still stupid from the sedative
3 : marked by or resulting from unreasoned thinking or acting : senseless a stupid decision
4a : lacking interest or point a stupid event
b : vexatious, exasperating the stupid car won't start



Definition of stupid (Entry 2 of 2)

: a stupid person

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Other Words from stupid


stupidly adverb
stupidness noun

Synonyms & Antonyms for stupid

Synonyms: Adjective

Synonyms: Noun

Antonyms: Adjective

Antonyms: Noun

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Choose the Right Synonym for stupid


stupid, dull, dense, crass, dumb mean lacking in power to absorb ideas or impressions. stupid implies a slow-witted or dazed state of mind that may be either congenital or temporary. stupid students just keeping the seats warm stupid with drink dull suggests a slow or sluggish mind such as results from disease, depression, or shock. monotonous work that leaves the mind dull dense implies a thickheaded imperviousness to ideas. too dense to take a hint crass suggests a grossness of mind precluding discrimination or delicacy. a crass, materialistic people dumb applies to an exasperating obtuseness or lack of comprehension. too dumb to figure out what's going on

Frequently Asked Questions About stupid

Is stupider a word?

Stupider is a perfectly good word that has been in use for hundreds of years. More stupid is also commonly used for the same purpose.

Is stupidest a word?

The word stupidest has been in use for hundreds of years; there is nothing wrong with it. Most stupid means the same thing, and people who don't like stupidest should feel free to use it instead.

How do you use stupider in a sentence?

Stupider can be used in any sentence in which degrees of stupidity are being compared. Many respected writers have used it, among them Louisa May Alcott, L. M. Montgomery, G.K. Chesterton, Thomas Hardy, and Jane Austen. In George Bernard Shaw's Man and Superman, Don Juan says "Still, you must have noticed in your profession that even a stupid general can win battles when the enemy's general is a little stupider."

Examples of stupid in a Sentence

Adjective She angrily described her boss as a stupid old man. He had a stupid expression on his face. I'm not stupid enough to fall for that trick. Why are you being so stupid? It was stupid of me to try to hide this from you. We were stupid to wait so long before we made a decision. I did some pretty stupid things when I was young. Two glasses of wine are enough to make me stupid. I was stupid with fatigue. Noun a genius at math, but a total stupid when it came to his love life
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Recent Examples on the Web: Adjective How in the world could anyone be so stupid as to leave a gun behind? Steve Meyer, Anchorage Daily News, "Leaving your gun on the toilet and other misadventures in hunting and shooting," 20 Mar. 2021 Who among us hasn’t, at one point or another, made some small, stupid, and innocuous mistake that has been taken by a loved one as evidence of a deeper character flaw? Cameron Hilditch, National Review, "Why Harry and Meghan Matter," 13 Mar. 2021 Of course, hard things take courage to do, but the more powerful adjunct to courage is to try to avoid doing stupid things. Neil Senturia, San Diego Union-Tribune, "When entrepreneurs are close to getting what they want — why do they hesitate?," 22 Mar. 2021 Having gotten me to say something stupid, Emily declared victory and left the room. New York Times, "Sports Meant So Much to Me. Why Wouldn’t My Son Play?," 16 Mar. 2021 On the contrary, people thought that was stupid in 2000, as was flipping unbuilt Florida spec condos in early 2008. Michael Taylor, San Antonio Express-News, "Taylor: 'Blank-check companies' are the new bubble," 3 Mar. 2021 Many of the most egregious bits of misinformation are, on inspection, stupid. Scientific American, "Readers Respond to the November 2020 Issue," 24 Feb. 2021 So, a strategy of asking people not to be stupid or crazy can't hurt. Arkansas Online, "OPINION | BILL TORPY: Atlanta police say 'be nice'," 7 Mar. 2021 Tanden, like so many other Biden Cabinet and sub-Cabinet picks ... is an obscenely stupid and polarizing choice. Jeff Field, Fox News, "Ingraham: Democrats making ‘huge mistakes’ by ‘vilifying’ Manchin, propping up Neera Tanden," 25 Feb. 2021 Recent Examples on the Web: Noun Others who wouldn't give their name called the mask mandate stupid or worse. Sonia Chopra, The Enquirer, "'I don't enjoy it but we have to do it.' Butler County resigns itself to mask mandate," 8 July 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'stupid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of stupid


circa 1641, in the meaning defined at sense 1a


1640, in the meaning defined above

History and Etymology for stupid


Middle French stupide, from Latin stupidus, from stupēre to be numb, be astonished — more at type entry 1

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Last Updated

8 Apr 2021

Cite this Entry

“Stupid.” Dictionary, Merriam-Webster, Accessed 14 Apr. 2021.

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More Definitions for stupid



English Language Learners Definition of stupid

: not intelligent : having or showing a lack of ability to learn and understand things
: not sensible or logical
: not able to think normally because you are drunk, tired, etc.


stu·​pid | \ ˈstü-pəd How to pronounce stupid (audio) , ˈstyü- \
stupider; stupidest

Kids Definition of stupid

1 : not intelligent : slow in understanding
2 : not sensible : foolish a stupid mistake
3 : not interesting or worthwhile a stupid plot

Other Words from stupid

stupidly adverb

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Comments on stupid

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