Plain
Plain adjective - Free from all additions or embellishment.
Widely known and plain are semantically related. In some cases you can use "Widely known" instead an adjective "Plain".
Widely known
Plain and widely known are semantically related. Sometimes you can use "Plain" instead an adjective phrase "Widely known".
Mutual synonyms
Both terms in one sentence
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Reefer Madness is an interesting example because, while the effects of marijuana were not widely known when the film was made, the guesses the film made are known today to be an exaggeration at the best of times, and often plain wrong.
Source: Space Whale Aesop
Cite this Source
Widely known and Plain. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/plain/widely_known
Plain & Widely known. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/plain/widely_known>.
Widely known or Plain. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/plain/widely_known.
Google Ngram Viewer shows how "plain" and "widely known" have occurred on timeline