Probable and Unplausible
Opposite meaning words
Probable
Probable adjective - Worthy of being accepted as true or reasonable.
Usage example: the counselor could find no probable reason for the girl's bizarre actions
Unplausible is an antonym for probable.
Unplausible
Cite this Source
Unplausible and Probable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/probable/unplausible
Probable & Unplausible. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/probable/unplausible>.
Unplausible or Probable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/probable/unplausible.
Google Ngram Viewer shows how "probable" and "unplausible" have occurred on timeline