standup Definition

erect, upright

stiffened to stay upright without folding over

performed in, performing in, or requiring a standing position; especially : of, relating to, performing, or being a monologue of jokes, gags, or satirical comments delivered usually while standing alone on a stage or in front of a camera

stand-up comedy; also : a performer of such comedy

a television broadcast in which the reporter or narrator faces the camera with the scene of the story in the background

to rise to a standing position

to remain sound and intact under stress, attack, or close scrutiny

to fail to keep an appointment with

to make one's opinions or beliefs publicly known especially when such action may cause trouble