'Foolish' definitions:

Definition of 'foolish'

From: WordNet
adjective
Devoid of good sense or judgment; "foolish remarks"; "a foolish decision" [ant: wise]
adjective
Having or revealing stupidity; "ridiculous anserine behavior"; "a dopey answer"; "a dopey kid"; "some fool idea about rewriting authors' books" [syn: anserine, dopy, dopey, foolish, goosey, goosy, gooselike, jerky]

Definition of 'Foolish'

From: GCIDE
  • Foolish \Fool"ish\, a.
  • 1. Marked with, or exhibiting, folly; void of understanding; weak in intellect; without judgment or discretion; silly; unwise. [1913 Webster]
  • I am a very foolish fond old man. --Shak. [1913 Webster]
  • 2. Such as a fool would do; proceeding from weakness of mind or silliness; exhibiting a want of judgment or discretion; as, a foolish act. [1913 Webster]
  • 3. Absurd; ridiculous; despicable; contemptible. [1913 Webster]
  • A foolish figure he must make. --Prior.
  • Syn: Absurd; shallow; shallow-brained; brainless; simple; irrational; unwise; imprudent; indiscreet; incautious; silly; ridiculous; vain; trifling; contemptible. See Absurd. [1913 Webster]

Synonyms of 'foolish'

From: Moby Thesaurus