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 Southerners are far from stupid, illiterate, or backwards. Alicia Garza, Marie Claire, "Can We Have a Conversation About Abortion Bans and the South?," 29 May 2019 Kearns: There have been many deaths captured live on social media platforms — suicides, murders, police shootings and stupid stunts performed by attention-seeking amateurs. Chris Gardner, The Hollywood Reporter, "A Hollywood Publicist's Surprising Side Hustle: A Book About Shocking Onstage Deaths," 15 Sep. 2019 Yet the issue of age discrimination is only whispered about, as if part of that stupid assumption that older people can’t hear. Mitch Albom, Detroit Free Press, "Mitch Albom: Jabs at Joe Biden mask our growing ageism issue," 15 Sep. 2019 Twins fans have been waiting 17 years for their team to win a playoff series; that became less likely this season because Pineda did something that was at best stupid, and at worst selfish — and probably both. John Shipley, Twin Cities, "John Shipley: ‘Big Mike’ left Twins in the lurch," 11 Sep. 2019 Then the neighbors started showing up to entertain with non-contact art projects and other stupid human tricks. Steve Hartman, CBS News, "Front lawn becomes a stage for house-ridden boy," 23 Aug. 2019 The Nuggets giving Millsap all that money was stupid. Mark Kiszla, The Denver Post, "Lunch Special: Which former Broncos quarterback do you want back on this current roster?," 26 Aug. 2019 Bobby Nightengale, Cincinnati Enquirer Call it a stupid, good win. John Fay,, "Heads-up baserunning by Yasiel Puig leads Reds to 5-4 win over Brewers in 11 innings," 3 July 2019 Improv classes are supposed to be safe spaces for frank, even awkward conversations, where people feel fewer inhibitions to say stupid things that may just yield something useful. The Economist, "What companies can learn from comedians," 22 Aug. 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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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).


concealed or difficult to comprehend

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