External
External adjective - Not being a vital part of or belonging to something.
Observable and external are semantically related. In some cases you can use "Observable" instead an adjective "External".
Observable
Observable adjective - Capable of being seen.
Usage example: scientists often work with phenomena that are not directly observable
External and observable are semantically related. Sometimes you can use "External" instead an adjective "Observable".
Mutual synonyms
Related pairs
- seeming and external
- seeming and observable
- outward and external
- outward and observable
- outer and external
- outer and observable
- exposed and external
- exposed and observable
- open and external
- open and observable
- visible and external
- visible and observable
- superficial and external
- superficial and observable
Both words in one sentence
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Dale Brown predicted low-observable external weapons pods well before Boeing made it possible.
Source: Life Imitates Art
Cite this Source
Observable and External. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/external/observable
External & Observable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/external/observable>.
Observable or External. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/external/observable.
Google Ngram Viewer shows how "external" and "observable" have occurred on timeline