jest

fun, jest, sport, game, play mean action or speech that provides amusement or arouses laughter. fun usually implies laughter or gaiety but may imply merely a lack of serious or ulterior purpose <played cards just for fun>. jest implies lack of earnestness and may suggest a hoaxing or teasing <hurt by remarks said only in jest>. sport applies especially to the arousing of laughter against someone <teasing begun in sport led to anger>. game is close to sport, and often stresses mischievous or malicious fun <made game of their poor relations>. play stresses the opposition to earnest without implying any malice or mischief <pretended to strangle his brother in play>.