key up
verb- To raise (the whole ring of an arch) off its centering, by driving in the keystone forcibly.
- To raise the pitch of.
- To produce nervous tension in (someone).
- To raise the intensity, excitement, tension, etc., of.
Learn key up in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.