Conventional
Conventional adjective - Accepted, used, or practiced by most people.
Unknown is an antonym for conventional.
Unknown
Unknown adjective - Not known or experienced before.
Usage example: becoming a father brought unknown joy to his life
Conventional is an antonym for unknown.
Nearby Words: unknowable, unknowing
Both words in one sentence
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Less conventional immortals: Henrietta Lacks and several other people, whose names are generally unknown, immortalized forever in HeLa, HEK239, SH-SY5Y and other cell lines.
Source: Who Wants to Live Forever? - Used in a more conventional way for the episode "Stark Raving Dad", when Michael Jackson/Leon Kompowsky leaves for places unknown after saying "Well, my work here is finished."
Source: But Now I Must Go -
It's unknown if his love is romantic in a conventional sense or simply beyond human understanding.
Cite this Source
Unknown and Conventional. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/conventional/unknown
Conventional & Unknown. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/conventional/unknown>.
Unknown or Conventional. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/conventional/unknown.
Google Ngram Viewer shows how "conventional" and "unknown" have occurred on timeline