Definition of foolish in English:
Lacking good sense or judgement; unwise: he was foolish enough to confide in her a foolish decision
More example sentences
- The Government would be very unwise and foolish to attempt to get rid of her.
- She had been so foolish to think she could fall in love with another.
- How could I be so foolish to think this would go any differently?
stupid, silly, idiotic, half-witted, witless, brainless, mindless, thoughtless, imprudent, incautious, irresponsible, injudicious, indiscreet, unwise, unintelligent, unreasonable;
absurd, senseless, pointless, nonsensical, inane, fatuous, ridiculous, laughable, risible, derisible
informal dumb, dim, dim-witted, dopey, gormless, damfool, half-baked, hare-brained, crackbrained, pea-brained, wooden-headed, thickheaded, nutty, mad, crazy, dotty, batty, dippy, cuckoo, screwy, wacky
Scottish & Northern English informal glaikit
West Indian informal dotish