a type of comedy performance in which the comedian stands up in front of the audience and delivers their jokes, or a comedian who performs this kind of comedy;
e.g. She is performing stand-up at the club this weekend.
(adjective)
(informal American) very loyal and having strong moral principles, often in a forceful way;
e.g. He seems to be a nice, stand-up guy who treats everyone well.
(adjective)
involving people who are standing up, or done/performed while standing;
e.g. it should only take a brief stand-up discussion to resolve this issue.