foolish implies the character of being or seeming unable to use judgment, discretion, or good sense.

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

FOOLISH definition: 1. unwise, stupid, or not showing good judgment: 2. unwise, stupid, or not showing good judgment…. Learn more.

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

1. resulting from or showing a lack of sense. 2. lacking forethought or caution. 3. insignificant or paltry. fool′ish•ness, n.

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.