occupied UK /ˈɒkjʊpaɪd/US /ˈɑkjəpaɪd/adjective 3exclamation 1forms 2 adjective3 •(of a seat or a room) already taken, so that nobody else may use itThe stall on the left is occupied. •Subjugated; under the control of a foreign (usually military) presence.My father travelled to occupied Japan in December 1945. •Busy; unavailable.She is occupied at the moment. exclamation1 •Used to communicate that a toilet is unavailable. formsmore occupied · most occupied