- located farther without; exterior; external
- relatively far out or far removed: the outer regions
Origin of outerMiddle English outter; new form from out + -er, replacing uttere, utter
- Located on the outside; external.
- Farther than another from the center or middle.
- Relating to the body or its appearance rather than the mind or spirit.
(comparative outermore, superlative outermost)
- Outside; external.
- Farther from the centre of the inside.
out (verb) + -er (“agent suffix")