1 (unwise, foolhardy) [+person] insensato; [+mistake] estúpido; tonto; [+decision] imprudente he will be remembered as a foolish man se le recordará como un insensato; don't be foolish no seas tonto
don't be foolish - of course you're not going to get food poisoning from it
I was foolish but I won't resign hice una tontería pero no voy a dimitir
It may have been a foolish decision The most foolish and insensitive statement by the Chancellor was his suggestion that "unemployment was a price worth paying' to bring inflation down It would be foolish to miss this opportunity I believe you, but it would be foolish to expect others to take the same attitude
it would be foolish to believe him sería una tontería una estupidez creerle;or
Government ministers made a foolish mistake in allowing this It would be foolish to pretend nothing is wrong He knows it would be foolish to rule out change now It is foolish to risk skin cancer
don't do anything foolishanything no hagas ninguna tontería insensatez;or
it was foolish of him to do thatof fue una tontería por su parte hacer eso it would be foolish of him to resign sería una tontería que dimitiese
that was foolish of them that was very foolish (of you)
to do something foolishsomething hacer una tontería insensatez;or She'd done something very foolish
what a foolish thing to do!thing ¡hacer eso fue una tontería! phoning the police for such a minor problem was a foolish thing to do so they've been copying each other's homework? That was very foolish of them how foolish of me to suspect you
2 (ridiculous, laughable) [+person, question] estúpido; tonto ...a foolish, love-struck teenager Try not to ask foolish questions
to feel foolishfeel sentirse ridículo; sentirse idiota He felt foolish and changed the subject
to look foolishlook hacer el ridículo; quedar como un idiota; (informal) The Government is going to look foolish and faces political damage if it does not change its mind
to make sb look foolishmake dejar a algn en ridículo I have a plan to make him look foolish