standing erect or upright, as a collar.
performed, taken, etc., while one stands: a stand-up meal.
designed for or requiring a standing position: a stand-up lunch counter.
(of a fight) characterized by the rapid exchange of many blows with little attention given to defensive maneuvering.
characterized by an erect or bold stance: a stand-up batter who hits many doubles.
Baseball. (of a double or triple) pertaining to a hit that allows the hitter to reach the base safely without having to slide.
(of a comedian) delivering a comic monologue while alone on the stage.
1580–90; adj. use of verb phrase stand up