Bedeutung von “foolish” — Learner’s Dictionary

foolish

adjective us uk /ˈfuːlɪʃ/

B2 silly and not wise:

a foolish man/mistake
[ + to do sth ] It would be foolish to ignore his advice.
foolishly adverb
foolishness noun [ U ]

(Definition von “foolish” aus dem Cambridge Learner's Dictionary © Cambridge University Press)