Diametric and Synonymous
Opposite meaning words
Diametric
Diametric adjective - Being as different as possible.
Usage example: that husband and wife have seemingly diametric personalities, but somehow their marriage works
Synonymous is an antonym for diametric.
Synonymous
Synonymous adjective - (of words) meaning the same or nearly the same.
Diametric is an antonym for synonymous.
Cite this Source
Synonymous and Diametric. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/diametric/synonymous
Diametric & Synonymous. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/diametric/synonymous>.
Synonymous or Diametric. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/diametric/synonymous.
Google Ngram Viewer shows how "diametric" and "synonymous" have occurred on timeline