Located, suited for, or taking place within a building.

Roget 221: interior, internal; inner, inside, inward, intraregarding^†; inmost, innermost; deep seated, gut; intestine, intestinal; inland; subcutaneous; abdominal, coeliac, endomorphic [Physio.]; interstitial etc. (interjacent) 228^†; inwrought etc. (intrinsic) 5; inclosed etc. v.. home, domestic, indoor, intramural, vernacular; endemic.    ... show more

Within doors.