Probable and Unconceivable
Opposite meaning words
Probable
Probable adjective - Worthy of being accepted as true or reasonable.
Unconceivable is an antonym for probable.
Unconceivable
Unconceivable adjective - Too extraordinary or improbable to believe.
Usage example: it's unconceivable that a once-promising actor could end up this way
Probable is an antonym for unconceivable.
Cite this Source
Unconceivable and Probable. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/probable/unconceivable
Probable & Unconceivable. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/probable/unconceivable>.
Unconceivable or Probable. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/probable/unconceivable.
Google Ngram Viewer shows how "probable" and "unconceivable" have occurred on timeline