Outer
Outer adjective - Situated on the outside or farther out.
Usage example: the outer edge of the blade of your figure skate always wears out faster than the inner because you use it more
Outside
Outside adjective - Situated on the outside or farther out.
Usage example: slower moving vehicles should keep to the outside lane
Outer is a synonym for outside in external topic. You can use "Outer" instead an adjective "Outside", if it concerns topics such as place, exterior. popular alternative
Nearby Word: outsider
Mutual synonyms
Cite this Source
Outside and Outer. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/outer/outside
Outer & Outside. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/outer/outside>.
Outside or Outer. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/outer/outside.
Google Ngram Viewer shows how "outer" and "outside" have occurred on timeline