(idiomatic) To behave in a foolish or comical manner. / (idiomatic) To pretend/feign ignorance.

(archaic, intransitive) To act foolishly.

(colloquial, transitive) to trick/fool somebody

Aethusa cynapium, an annual umbelliferous plant that resembles parsley but is poisonous.

Having the heart of a fool; foolish.

(set phrase) A person who is not easily deceived or victimized; one who is perceptive, clever, or thoroughly common-sensical.

Synonym of nobody's fool

(derogatory, slang) One who uses fossil fuels without concern for their environmental impact.

Third-person singular simple present indicative form of play the fool

Alternative form of play the fool