stupid

adjective
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

stupid

noun

Definition of stupid (Entry 2 of 2)

: a stupid person

Keep scrolling for more

Other Words from stupid

Adjective

stupidly adverb
stupidness noun

Synonyms & Antonyms for stupid

Synonyms: Adjective

airheaded, birdbrained, bonehead, boneheaded, brain-dead, brainless, bubbleheaded, chuckleheaded, dense, dim, dim-witted, doltish, dopey (also dopy), dorky [slang], dull, dumb, dunderheaded, empty-headed, fatuous, gormless [chiefly British], half-witted, knuckleheaded, lamebrain (or lamebrained), lunkheaded, mindless, oafish, obtuse, opaque, pinheaded, senseless, simple, slow, slow-witted, soft, softheaded, thick, thickheaded, thick-witted, unintelligent, unsmart, vacuous, weak-minded, witless

Synonyms: Noun

airhead, birdbrain, blockhead, bonehead, bubblehead, chowderhead, chucklehead, clodpoll (or clodpole), clot [British], cluck, clunk, cretin, cuddy (or cuddie) [British dialect], deadhead, dim bulb [slang], dimwit, dip, dodo, dolt, donkey, doofus [slang], dope, dork [slang], dullard, dum-dum, dumbbell, dumbhead, dummkopf, dummy, dunce, dunderhead, fathead, gander, golem, goof, goon, half-wit, hammerhead, hardhead, idiot, ignoramus, imbecile, jackass, know-nothing, knucklehead, lamebrain, loggerhead [chiefly dialect], loon, lump, lunkhead, meathead, mome [archaic], moron, mug [chiefly British], mutt, natural, nimrod [slang], nincompoop, ninny, ninnyhammer, nit [chiefly British], nitwit, noddy, noodle, numskull (or numbskull), oaf, pinhead, prat [British], ratbag [chiefly Australian], saphead, schlub (also shlub) [slang], schnook [slang], simpleton, stock, stupe, thickhead, turkey, woodenhead, yahoo, yo-yo

Antonyms: Adjective

apt, brainy, bright, brilliant, clever, fast, hyperintelligent, intelligent, keen, nimble, quick, quick-witted, sharp, sharp-witted, smart, supersmart, ultrasmart

Antonyms: Noun

brain, genius

Visit the Thesaurus for More 

Choose the Right Synonym for stupid

Adjective

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
See More

Recent Examples on the Web: Adjective

For a very long time the things we were supposed to aspire to be in were so stupid. Jessica Radloff, Glamour, "Christina Ricci Is Glad Social Media Didn't Exist When She Was a Young Star," 19 Jan. 2019 In fact, using this as an answer is so stupid that only Trump and his band of white supremacist followers would actually go for this. Stephen A. Crockett Jr., The Root, "Trump Couldn’t Let Beyoncé and Jay-Z Live, Announces Summit With Russian President Vladimir Putin," 28 June 2018 The whole nation knew about the wall’s peculiar power, and all were impatient to find out how stupid their neighbors were. Kevin Fisher-paulson, San Francisco Chronicle, "The truth about the Emperor’s wall is clear," 21 May 2018 In that public square, there’s all these things that happen and some are amazing, and some are stupid, and some are silly, and some are really terrible. Casey Newton, The Verge, "Facebook beats Twitter at fighting fake news, a new study found," 15 Sep. 2018 Gather up the kids and a few plastic ball ornaments, and try your hand at these stupid easy DIY decorations — there's something for everyone among these sweet and simple holiday crafts. 1. Heather Finn, Good Housekeeping, "Get the Whole Family Crafting With These Easy DIY Christmas Ornaments," 6 Dec. 2018 This is both stupid and authoritarian at the same time and for the same reason. Matthew Yglesias, Vox, "Trump’s incompetence and authoritarianism are both scary," 15 Nov. 2018 In this blissfully stupid and thoroughly irresistible new movie, the artist sometimes known as the Rock goes up against another colossus called the Pearl. Justin Chang, latimes.com, "Dwayne Johnson scales the heights in the thrillingly dumb 'Skyscraper'," 11 July 2018 More impressive were the verbs; more impressive still was the language of mood and emotion and spatial relations — more and sad and in and stupid and please and hurry and out. Jeffrey Kluger, Time, "Koko the Gorilla Wasn't Human, But She Taught Us So Much About Ourselves," 21 June 2018

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.

See More

First Known Use of stupid

Adjective

1541, in the meaning defined at sense 1a

Noun

1712, in the meaning defined above

History and Etymology for stupid

Adjective

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

Keep scrolling for more

Learn More about stupid

Dictionary Entries near stupid

stupendous

stupent

stupeous

stupid

stupidity

stuping

stupor

Statistics for stupid

Last Updated

17 Feb 2019

Look-up Popularity

Time Traveler for stupid

The first known use of stupid was in 1541

See more words from the same year

Keep scrolling for more

More Definitions for stupid

stupid

adjective

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.

stupid

adjective
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

Keep scrolling for more

More from Merriam-Webster on stupid

Rhyming Dictionary: Words that rhyme with stupid

Thesaurus: All synonyms and antonyms for 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).

WORD OF THE DAY

grandiloquent, ostentatious, or bombastic

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!