English definition of “fool”
› [C] a stupid person: I was a fool to trust him.
make a fool (out) of sb › to try to make someone look stupid intentionally: She was always trying to make a fool out of me in front of my friends.
make a fool of yourself › to behave in a silly or embarrassing way: I got drunk and started singing and making a fool of myself.
act/play the fool UK › to behave in a silly way, usually in order to make people laugh: Joe is always playing the fool in class.