In use
In use adjective - 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.
Usage example: the lavatory is in use
Occupied
Occupied adjective - Held or filled or in use.
Usage example: she keeps her time well occupied
In use is a synonym for occupied in possession topic. You can use "In use" instead an adjective "Occupied". popular alternative
Mutual synonyms
Cite this Source
Occupied and In use. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/in_use/occupied
In use & Occupied. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/in_use/occupied>.
Occupied or In use. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/in_use/occupied.
Google Ngram Viewer shows how "in use" and "occupied" have occurred on timeline