single room occupancy UK /ˌsɪŋ.ɡəl ˌɹuːm ˈɒk.jə.pən.siː/US /ˌsɪŋ.ɡəl ˌɹum ˈɔk.jə.pən.si/ noun1 •(US, Canada) A kind of an apartment with one room and without a bathroom or a kitchen. formssingle room occupancies · single-room occupancies