foolishadjective
uk/ˈfuː.lɪʃ/us/ˈfuː.lɪʃ/B2 unwise, stupid, or not showing good judgment:
That was a rather foolish thing to do.
She was afraid that she would look foolish if she refused.
It was foolish of them to pay so much.
More examples
- I felt very foolish standing there with only one shoe on.
- You were very foolish to go out in a boat in weather like this.
- It would be foolish to give up your job when you haven't got any other source of income.
- I was foolish to buy such an expensive piece of equipment without checking that we really needed it.
- He made a foolish bet with his brother and now he has to pay up.
Thesaurus: synonyms and related words
Stupid and silly
- (as) thick as two short planks idiom
- absurd
- adolescent
- against your better judgment idiom
- asinine
- be crazy about sb/sth idiom
- certifiable
- dotty
- dozy
- drink, laugh, etc. yourself silly idiom
- drivel
- dumb
- gibber
- loony
- loopy
- lumpen
- lumpish
- madcap
- slow
- wrongheaded
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foolishly
adverb uk/ˈfuː.lɪʃ.li/us/ˈfuː.lɪʃ.li/
B2
Foolishly, I didn't write the phone number down.
foolishness
noun [ U ] uk/ˈfuː.lɪʃ.nəs/us/ˈfuː.lɪʃ.nəs/