One
One adjective - Being the one or ones of a class with no other members.
Usage example: that's the one author I would stand in line for hours to get an autograph from
Mutual synonyms
Cite this Source
Separate and One. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/one/separate
One & Separate. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/one/separate>.
Separate or One. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/one/separate.
Google Ngram Viewer shows how "one" and "separate" have occurred on timeline