The meaning of FOOLISH is having or showing a lack of good sense, judgment, or discretion. How to use foolish in a sentence. Synonym Discussion of Foolish.

She was afraid that she would look foolish if she refused to go along with her friends. It would be foolish of us to assume that everything will work out fine.

Definition of foolish adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

FOOLISH definition: resulting from or showing a lack of sense; ill-considered: unwise. See examples of foolish used in a sentence.

Define foolish. foolish synonyms, foolish pronunciation, foolish translation, English dictionary definition of foolish. adj. 1. Lacking or exhibiting a lack of good sense or judgment; silly: a …

If someone's behavior or action is foolish, it is not sensible and shows a lack of good judgment. It would be foolish to raise hopes unnecessarily. He admitted that he had acted foolishly. They …

Definition of foolish. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.

There are seven meanings listed in OED's entry for the word foolish, two of which are labelled obsolete, and one of which is considered offensive. See ‘Meaning & use’ for definitions, usage, …

Nov 15, 2025 · Resembling or characteristic of a fool.

Foolish, fatuous, silly, inane, stupid, asinine imply weakness of intellect and lack of judgment.