The Oxford Thesaurus An A-Z Dictionary of Synonyms - exterioradj.

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, fa‡ade: The exterior is of pink stucco.