adjective
- lacking intelligence or common sense; foolish
- showing poor judgment or little intelligence
- annoying or frustrating
Usage: informal
noun
- a stupid person
Usage: informal; often considered rude
Examples
- That was a stupid mistake on the test.
- Don’t be stupid – wear your seatbelt.
- I felt stupid for forgetting her birthday.
- This stupid computer keeps freezing.
- It’s stupid to drive without insurance.
- The movie had a stupid ending that made no sense.
- Stop acting like a stupid and think before you speak.