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

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 The intraparty tension is due to a candidate selection process that is head-smackingly stupid even for the Democrats. Kevin Baker, Harper's magazine, "On Courage," 6 Jan. 2020 Wasting such reconnoitering on the feckless 1-12 Cincinnati Bengals is criminally stupid. Globe Staff,, "When it comes to videotaping of Bengals, Patriots deserve the benefit of the doubt," 10 Dec. 2019 By not explaining Shining Path recruitment, the authors run the risk of making those who did join simply sound stupid. Rachel Nolan, Harper's magazine, "A Jagged Scrap of History," 24 June 2019 Maybe they’ll even get caught again, like a stupid cockroach dumb enough to walk across the kitchen counter. Gregg Doyel, Indianapolis Star, "Doyel: Crush the cheatin' Patriots, Roger Goodell, or don't bother punishing them at all," 17 Dec. 2019 An average battle leans heavily on Boneworks' firearms, since the campaign doles out a ridiculous amount of pistols, Uzis, rifles, and ammo, and these are all remarkably effective at clearing out the game's waves of slow-and-stupid enemies. Sam Machkovech, Ars Technica, "Boneworks review: An absolute VR mess—yet somehow momentous," 12 Dec. 2019 And sometimes, a scandal can be as simple as any member, high or low, saying something incredibly insensitive, controversial or downright stupid. Peter Dawson, Houston Chronicle, "Mike Fiers, Daryl Morey and the most notable Houston sports scandals of all-time," 13 Nov. 2019 My position today is the same as when this stupid trouble began. James Parker, The Atlantic, "Ode to the Letters of Hunter S. Thompson," 10 Nov. 2019 Because those teens were doing something stupid, and Greta Thunberg is not. Jennifer Wright, Harper's BAZAAR, "These Anti-Greta Thunberg Criticisms Are Almost Hilarious," 26 Sep. 2019

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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Time Traveler for stupid

Time Traveler

The first known use of stupid was in 1640

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Statistics for stupid

Last Updated

20 Jan 2020

Cite this Entry

“Stupid.” The Dictionary, Merriam-Webster Inc., Accessed 28 January 2020.

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More Definitions for stupid


How to pronounce stupid (audio)

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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More from Merriam-Webster on stupid

Thesaurus: All synonyms and antonyms for stupid

Rhyming Dictionary: Words that rhyme with stupid

Spanish Central: Translation of stupid

Nglish: Translation of stupid for Spanish Speakers

Britannica English: Translation of stupid for Arabic Speakers

Comments on stupid

What made you want to look up stupid? Please tell us where you read or heard it (including the quote, if possible).


showing steady, earnest care and effort

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