Third-person singular simple present indicative form of stand up

(of hair) To stand erect, bristle, especially from fear. / (of an object) To place on its end.

(idiomatic) To testify as a witness in a trial.

(idiomatic) To assert an opinion or viewpoint; to defend one's point of view or beliefs.

A type of bicycle stand consisting of a single inverted U-shaped metal bar that is mounted onto or embedded into the ground.

(sometimes figuratively) To stop moving, to remain motionless.

Obsolete spelling of standstill

Enthusiastic applause given by people who rise from a sitting position.

plural of standing ovation

A technique used by bicycle riders to remain virtually stationary by adjusting their weight