The Collaborative International Dictionary of English v.0.48:

occupied \occupied\ adj.
   1. Engaged; in use; being used by a person and not free for
      use by someone else; as, the wc is occupied. Opposite of
      free, available, and unoccupied.
      [WordNet 1.5]

   2. Inhabited, lived-in, tenanted; having residents; -- of
      dwelling units. [Narrower terms: owner-occupied] WordNet
      1.5]

   3. Overrun, taken over; -- of countries or territories; as,
      occupied France. Opposite of unoccupied.
      [WordNet 1.5]

   4. Busy; actively or fully engaged in some activity; -- of
      people. Opposite of idle.

   Syn: employed, engaged.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

owner-occupied \owner-occupied\ adj.
   lived in by the owner; -- of dwellings.
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

owner-occupied
    adj 1: lived in by the owner; "one owner-occupied and three
           rental apartments"