What does the word fool mean?

Usage examples for fool

  1. " You don't think I'm such a fool as to tell you? – The Mystery of a Hansom Cab by Fergus Hume
  2. Philip's no fool, you'll find. – The Complete Project Gutenberg Works of George Meredith by George Meredith
  3. Keep out of my way, Elsworthy; you should have looked better after the little fool. – The Perpetual Curate by Mrs [Margaret] Oliphant