Observable
Observable adjective - Capable of being seen.
Usage example: scientists often work with phenomena that are not directly observable
Plain is a synonym for observable in see topic. In some cases you can use "Plain" instead an adjective "Observable", when it comes to topics like noticeable.
Plain
Plain adjective - Not subject to misinterpretation or more than one interpretation.
Usage example: let me make my meaning plain
Observable is a synonym for plain in see topic. Sometimes you can use "Observable" instead an adjective "Plain", if it concerns topics such as obvious.
Mutual synonyms
Cite this Source
Plain and Observable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/observable/plain
Observable & Plain. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/observable/plain>.
Plain or Observable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/observable/plain.
Google Ngram Viewer shows how "observable" and "plain" have occurred on timeline