efficiency apartment

noun
1.
a small apartment consisting typically of a combined living room and bedroom area, a bathroom, and a kitchenette.
Also called efficiency.
Origin
1925-30
Examples from the web for efficiency apartment
  • However, the complainant and defendant moved to the bed in the efficiency apartment.
  • Rent per square foot is generally the highest in efficiency apartment units and the lowest in three bedroom units.
British Dictionary definitions for efficiency apartment

efficiency apartment

noun
1.
(US) a small flat or bedsit