in use
bijvoeglijk naamwoord
1 in use
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):
— The lavatory is in use.
Roget 677: in use; used etc. v.; well-worn, well-trodden. useful etc. 644; subservient etc. (instrumental) 631.
2 in use
Currently being used.
Vind elders meer over in use: etymologie - rijmwoorden - Wikipedia.
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