In Use (Adjective)
Meaning 1
Currently being used; "robots are in use throughout industry".
Classification
All adjective clusters.
Examples
- The new software is in use by several major corporations already.
- Many of the old machines are still in use despite being decades old.
- The new highway is in use and has greatly reduced traffic congestion.
- The experimental treatment is in use in several hospitals around the world.
- The historic building is still in use as a museum and event space.
Meaning 2
(of facilities such as telephones or lavatories) unavailable for use by anyone else or indicating unavailability; (`engaged' is a British term for a busy telephone line); "her line is busy"; "receptionists' telephones are always engaged"; "the lavatory is in use"; "kept getting a busy signal".
Classification
All adjective clusters.
Examples
- The restroom was in use by a colleague who was running a bit behind schedule.
- Her phone rang a few times but went straight to voicemail as the line was in use.
- We apologize, the meeting room is in use until further notice.
- Could you please hang up and try again later as my phone is currently in use?
- Please check the cubicles again, as this one is marked as in use on the occupancy chart.