adj. 1 outer, outside, external, outward, superficial, surface The exterior covering of the capsule becomes very hot on re-entry into the earth's atmosphere 2 external, extrinsic, extraneous, foreign, alien, exotic, outside The problem can be overcome without exterior help
n. 3 outside, surface, covering, coating, facing, face, front, skin, shell, façade The exterior is of pink stucco