apartment building, apartment house - a building that is divided into apartments

bedsit, bedsitter, bedsitting room - a furnished sitting room with sleeping accommodations (and some plumbing)

cold-water flat - an apartment without modern conveniences

duplex apartment, duplex - an apartment having rooms on two floors that are connected by a staircase

efficiency apartment - a furnished apartment with a kitchenette and bathroom

flatlet - a tiny flat

housing, living accommodations, lodging - housing structures collectively; structures in which people are housed

kitchenette - small kitchen

maisonette, maisonnette - a self-contained apartment (usually on two floors) in a larger house and with its own entrance from the outside

penthouse - an apartment located on the top floors of a building

railroad flat - an apartment whose rooms are all in a line with doors between them

studio apartment, studio - an apartment with a living space and a bathroom and a small kitchen

rooms, suite - apartment consisting of a series of connected rooms used as a living unit (as in a hotel)

walk-up, walk-up apartment - an apartment in a building without an elevator