[ stoo-pid, styoo‐ ]
/ ˈstu pɪd, ˈstyu‐ /

WATCH NOW: What Is The Difference Between "Stupid" And "Ignorant"?

WATCH NOW: What Is The Difference Between "Stupid" And "Ignorant"?

Do you know the difference between the words "stupid" and "ignorant"? This man didn't either until, one day, he realized he should probably look the meanings up. Now, he can explain!


adjective, stu·pid·er, stu·pid·est.


Informal. a stupid person.

Origin of stupid

1535–45; < Latin stupidus, equivalent to stup(ēre) to be numb or stunned + -idus -id4

Related forms

Can be confused

ignorant stupid

Synonym study

1. See dull. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for stupid

British Dictionary definitions for stupid


/ (ˈstjuːpɪd) /


lacking in common sense, perception, or normal intelligence
(usually postpositive) stunned, dazed, or stupefiedstupid from lack of sleep
having dull mental responses; slow-witted
trivial, silly, or frivolous


informal a stupid person

Derived Forms

stupidly, adverbstupidness, noun

Word Origin for stupid

C16: from French stupide, from Latin stupidus silly, from stupēre to be amazed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012