Synonym: blockhead, deceive, dunce, ignoramus, joke, know-nothing, mislead, ninny, play, scatterbrain, simpleton, trick. Antonym: sage. Similar words: food, foot, on foot, footing, football, tool, cool, pool. Meaning: [fuːl] 
n. 1. a person who lacks good judgment 2. a person who is gullible and easy to take advantage of 3. a professional clown employed to entertain a king or nobleman in the middle ages. v. 1. make a fool or dupe of 2. spend frivolously and unwisely 3. fool or hoax 4. indulge in horseplay.
n. 1. a person who lacks good judgment 2. a person who is gullible and easy to take advantage of 3. a professional clown employed to entertain a king or nobleman in the middle ages. v. 1. make a fool or dupe of 2. spend frivolously and unwisely 3. fool or hoax 4. indulge in horseplay. 
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151. 'He's not an easy person to live with.' 'More fool her for marrying him!'
152. If you fool about with matches, you'll end up getting burned.
153. You shouldn't have let the children fool about / around with dangerous chemicals.
154. If you wish to make a fool of yourself, that is your affair.
155. I thought that he must have blown his top to make such a fool of himself.
156. I thought John was being uncommonly stupid, and wrote his down as a fool.
157. I've put salt instead of sugar in your coffee, April fool!
158. He was the most unstable kind of fool I had ever seen.
159. Only a fool goes by the rules all the time.
160. I was a terrible fool, you know. I remember that now.
161. If you go to college, you must work hard, not fool about.
162. The naughty boy wrote one of his classmates down as a fool.
163. Stop acting the fool, I'm trying to talk to you.
164. If you go to college, you must work hard, not fool around.
165. Satire is a lonely and introspective occupation, for nobody can describe a fool to the life without much patient ...
166. Every time I try to fool him, he looks through my tricks.
167. If he already owes you money and you've lent him another ten pounds,(sentencedict.com) more fool you.
168. I blush to think of what a fool I made of myself.
169. Jack is not such a fool as he's made out to be.
170. He is not half such a fool as they think.
171. You can't fool her; she's much too clever for that.
172. He was variously described as a hero, a genius and a fool.
173. You've done some fool things in your time, but this beats everything.
174. I made a complete fool of myself in front of everyone!sentencedict .com
175. They seem to have written him down as a fool.
176. I wish Mummy wouldn't gush over Peter's little successes at school; it makes him feel a fool in front of his friends.
177. What's the use of trying to fool me that way.
178. If you make a single mistake, he will pounce on you and say you're a fool.
179. I had rather have a fool make me merry, than experience make me sad. William Shakespeare 