Indisputable and Unconceivable

Indisputable

Indisputable adjective - Not capable of being challenged or proved wrong.

Unconceivable is an antonym for indisputable.

Nearby Word: indisputability

Unconceivable

Unconceivable adjective - Too extraordinary or improbable to believe.
Usage example: it's unconceivable that a once-promising actor could end up this way

Indisputable is an antonym for unconceivable.
Cite this Source
Unconceivable and Indisputable. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/indisputable/unconceivable
Indisputable & Unconceivable. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/indisputable/unconceivable>.
Unconceivable or Indisputable. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/indisputable/unconceivable.
Google Ngram Viewer shows how "indisputable" and "unconceivable" have occurred on timeline