- on the outside of something synonym external
- the outer layers of the skin
- While the chassis is made of steel, the outer shell is plastic.
- The attackers began to enter through the outer walls.
- The stair winds up between the inner and outer walls of the house.
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- furthest from the inside or centre of something
- I walked along the outer edge of the track.
- the outer suburbs of the city
- Outer London/Mongolia
- (figurative) to explore the outer (= most extreme) limits of human experience
opposite inner
Word Originlate Middle English: from out + -er, replacing earlier utter in its obsolete sense ‘outer’.
Check pronunciation:
outer