in use

Related to in use: value in use

in use

Currently occupied or utilized. The shower is in use so you'll have wait for now.
See also: use
Farlex Dictionary of Idioms.

in use

[of some facility or device] occupied or busy. Sorry, this room is in use. How long will it be in use?
See also: use
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • on one's
  • on someone's
  • pillow-biter
  • (Have you) been OK?
  • golden shower
  • (something) blows
  • out of one's
  • (I've) got to go
  • #dead
  • save someone's skin