adj. & n.
--adj.
1. a of or on the outer side (opp. INTERIOR). b (foll. by to) situated on the outside of (a building etc.). c coming from outside.
2 Cinematog. outdoor.
--n.
1. the outward aspect or surface of a building etc.
2 the outward or apparent behaviour or demeanour of a person.
3 Cinematog. an outdoor scene.
Phrases and idioms:
exterior angle the angle between the side of a rectilinear figure and the adjacent side extended outward.
Derivatives:
exteriority n. exteriorize v.tr. (also -ise). exteriorly adv.
Etymology: L, compar. of exterus outside