External
External noun - Outward features.
Outer side and external are semantically related. In some cases you can use "Outer side" instead a noun "External".
Outer side
External and outer side are semantically related. You can use "External" instead a noun phrase "Outer side".
Cite this Source
Outer side and External. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/external/outer_side
External & Outer side. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/external/outer_side>.
Outer side or External. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/external/outer_side.
Google Ngram Viewer shows how "external" and "outer side" have occurred on timeline