Definition of fool

• n. - A compound of gooseberries scalded and crushed, with cream; -- commonly called gooseberry fool.
• n. - One destitute of reason, or of the common powers of understanding; an idiot; a natural.
• n. - A person deficient in intellect; one who acts absurdly, or pursues a course contrary to the dictates of wisdom; one without judgment; a simpleton; a dolt.
• n. - One who acts contrary to moral and religious wisdom; a wicked person.
• n. - One who counterfeits folly; a professional jester or buffoon; a retainer formerly kept to make sport, dressed fantastically in motley, with ridiculous accouterments.
• v. i. - To play the fool; to trifle; to toy; to spend time in idle sport or mirth.
• v. t. - To infatuate; to make foolish.
• v. t. - To use as a fool; to deceive in a shameful or mortifying manner; to impose upon; to cheat by inspiring foolish confidence; as, to fool one out of his money.