Definition of stupid in English:

stupid

Syllabification: stu·pid
Pronunciation: /ˈst(y)o͞opəd
 
/

adjective (stupider, stupidest)

1Lacking intelligence or common sense: I was stupid enough to think she was perfect
More example sentences
  • Of course, he wasn't stupid or irresponsible enough to abscond completely.
  • Most accidents are caused by blowouts or other mechanical failures and stupid drivers with no common sense.
  • I'm not stupid enough to think that we all feel the same way about everything.
Synonyms
unintelligent, ignorant, dense, foolish, dull-witted, slow, simpleminded, vacuous, vapid, idiotic, imbecilic, imbecile, obtuse, doltishfoolish, silly, unintelligent, idiotic, scatterbrained, nonsensical, senseless, harebrained, unthinking, ill-advised, ill-considered, unwise, injudicious; inane, absurd, ludicrous, ridiculous, laughable, risible, fatuous, asinine, mad, insane, lunatic
informal crazy, dopey, cracked, half-baked, dimwitted, cockeyed, lamebrained, nutty, batty, cuckoo, loony, loopy
1.1Dazed and unable to think clearly: apprehension was numbing her brain and making her stupid
Synonyms
into a stupor, into a daze, into oblivion; stupefied, dazed, unconscious
1.2 informal Used to express exasperation or boredom: she told him to stop messing with his stupid painting

noun

informal Back to top  
A stupid person (often used as a term of address): you’re not a coward, stupid!
More example sentences
  • It soon became apparent that he was suffering from the stupids when he repeatedly asked for directions to where we were already taking him.
  • They're still stupids who should not be allowed out in public.
  • I appreciate it a lot, but don't bother with the stupids, for it is wiser to just laugh at them.

Origin

mid 16th century: from French stupide or Latin stupidus, from stupere 'be amazed or stunned'.

Derivatives

stupidly

adverb
More example sentences
  • He said his client had acted completely stupidly and totally out of character.
  • In fact, stupidly, and quite embarrassingly, I was one of the only people really laughing in the room.
  • The first was Jarrett; who quite stupidly charged his opponent with a tediously slow right armed swing.

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Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude