stupid
How to Use Stupid
Learner’s notesIn plain EnglishNot smart, or (informally) just annoying.
Blunt and often considered rude when applied to a person directly; use "unwise" or "ill-advised" in more polite or professional contexts.
Word Forms
stupider comparative, more stupid comparative, more stupid comparative, stupids plural, stupidest superlative, most stupid superlative, most stupid superlative
Fill the Gap
Can you complete this real example?
It was a _____ mistake that cost him his job.
Etymology
From Middle French stupide, from Latin stupidus ("struck senseless"), from stupeo ("to be dazed"). Related to stupor and stupendous.