What is the meaning of Fool?

A person with poor judgment or little intelligence.

A jester; a person whose role was to entertain a sovereign and the court (or lower personages).

A stock character typified by unintelligence, naïveté or lucklessness, usually as a form of comic relief; often used as a source of insight or pathos for the audience, as such characters are generally less bound by social expectations.

Someone who has been made a fool of or tricked; dupe.

Someone who derives pleasure from something specified.

An informal greeting akin to buddy, dude, or man.

A particular card in a tarot deck, representing a jester.

To trick; to deceive.

To act in an idiotic manner; to act foolishly.

To make a fool of; to make act the fool.

Foolish.

A type of dessert made of puréed fruit and custard or cream.

Alternative form of fole (fool)

Alternative form of fole (foolish)

Alternative form of fole (foal)

mad man

Source: wiktionary.org