Occupancy is the act of owning, renting, or taking possession of a building. When you and your family move into a new house, you are taking occupancy of that home.

You're probably most familiar with the word occupancy from signs in auditoriums and concert halls that state the room's "maximum occupancy." A maximum occupancy of 100 means only 100 people can safely fit inside that room at one time. A single-occupancy hotel room is meant for one person. The opposite of occupancy is vacancy––when no one is in possession. Hotels let you know when they have a vacancy by flashing a sign.

Definitions of occupancy
  1. noun
    an act of being a tenant or occupant
    synonyms: tenancy
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    habitation, inhabitancy, inhabitation
    the act of dwelling in or living permanently in a place (said of both animals and men)
    the act of living together and having a sexual relationship (especially without being married)
    bivouacking, camping, encampment, tenting
    the act of encamping and living in tents in a camp
    type of:
    abidance, residence, residency
    the act of dwelling in a place
  2. noun
    the act of occupying or taking possession of a building
    “occupation of a building without a certificate of occupancy is illegal”
    synonyms: moving in, occupation
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    preoccupancy, preoccupation
    the act of taking occupancy before someone else does
    type of:
    acquiring, getting
    the act of acquiring something
Word Family