foolish
/ˈfuːlɪʃ/
adjective
Britannica Dictionary definition of FOOLISH
[more foolish; most foolish]
:
having or showing a lack of good sense or judgment
:
stupid, silly
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a foolish decision/mistake
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He was wearing a foolish grin.
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She's been taking foolish risks.
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Those flashy clothes make her look foolish.
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She must feel foolish wearing those flashy clothes.
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I never thought you'd be foolish enough to believe him.
— foolishness
noun
[noncount]