Definition of joke

• n. - Something said for the sake of exciting a laugh; something witty or sportive (commonly indicating more of hilarity or humor than jest); a jest; a witticism; as, to crack good-natured jokes.
• n. - Something not said seriously, or not actually meant; something done in sport.
• v. t. - To make merry with; to make jokes upon; to rally; to banter; as, to joke a comrade.
• v. i. - To do something for sport, or as a joke; to be merry in words or actions; to jest.