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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121. They put him down for a fool.
122. The boy is playing the fool with the seat.
123. Any fool could tell that she was joking.
124. Do you take me for a fool?
125. He's made a proper fool of himself this time!
126. Quit playing the fool and get some work done!
127. He felt such an unutterable fool.
128. He'd been a fool to get involved with her!
129. Don't fool with that razor.
130. Isabelle was a frivolous little fool, vain and flighty.
131. "You fool," he said aloud.
132. Where's that fool of a receptionist?
133. He's just full of wind, the pompous fool!
134. Oh you fool! You've blown it!
135. "You fool," she kept repeating.
136. He's fool enough to think she still loves him.
137. He played the fool at school instead of working.
138. He always used to fool around in class.
139. He thought he could fool people with transparent deceptions.
140. You can't fool me with all that nonsense!
141. He has simply been exposed as an adulterer and a fool.
142. I notice Ed didn't offer to pay for her - he's no fool.
143. In all my born days I have never seen such a fool as you are.
144. I know I was a naive fool to trust him but he is a real charmer who totally took me in.
145. Most managers couldn't care less about information technology. More fool them.
146. The man was a fool, he thought[sentencedict.com], or at least incompetent.
147. I wished Mummy wouldn't gush over Peter's little success at school;it makes him feel a fool in front of his friends.
148. Stop this nonsense! Do you think you can play me for a fool?
149. There is every reason why I shouldn't enjoy his company-he's a bore and a fool.
150. If you'll pardon my French, he's a complete bloody fool.