Oppugn
Oppugn verb - To demand proof of the truth or rightness of.
Mutual synonyms
Cite this Source
Spar and Oppugn. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/oppugn/spar
Oppugn & Spar. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/oppugn/spar>.
Spar or Oppugn. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/oppugn/spar.
Google Ngram Viewer shows how "oppugn" and "spar" have occurred on timeline