One who is deficient in judgment, sense, or understanding, A member of a royal or noble household who provided entertainment, as with jokes or antics; a jester, intransitive verb_ To deceive or trick; dupe, To feign; pretend, intransitive verb_ To play the fool; to trifle; to toy; to spend time in idle sport or mirth, transitive verb_ to get rid of foolishly; to spend in trifles, idleness, folly, or without advantage, To infatuate; to make foolish