Unconceivable and Undeniable
Opposite meaning words
Unconceivable
Unconceivable adjective - Too extraordinary or improbable to believe.
Usage example: it's unconceivable that a once-promising actor could end up this way
Undeniable is an antonym for unconceivable.
Undeniable
Undeniable adjective - Not capable of being challenged or proved wrong.
Unconceivable is an antonym for undeniable.
Nearby Word: undeniably
Cite this Source
Undeniable and Unconceivable. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/unconceivable/undeniable
Unconceivable & Undeniable. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/unconceivable/undeniable>.
Undeniable or Unconceivable. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/unconceivable/undeniable.
Google Ngram Viewer shows how "unconceivable" and "undeniable" have occurred on timeline