(of a building, seat, etc.) being used by someone

only the ground floor is fully occupied

busy and active

tasks which kept her occupied for the day

(of a place, especially a country) taken control of by military conquest or settlement

the occupied territories

reside or have one's place of business in (a building)

the rented flat she occupies in Hampstead

fill or preoccupy (the mind)

her mind was occupied with alarming questions

take control of (a place, especially a country) by military conquest or settlement

Syria was occupied by France under a League of Nations mandate