Impossible and Unconceivable

Impossible

Impossible adjective - Incapable of being solved or accomplished.

Unconceivable and impossible are semantically related. In some cases you can use "Unconceivable" instead an adjective "Impossible".

Nearby Words: impossibility, impossibly

Unconceivable

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

Impossible and unconceivable are semantically related. You can use "Impossible" instead an adjective "Unconceivable".
Cite this Source
Unconceivable and Impossible. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/impossible/unconceivable
Impossible & Unconceivable. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/impossible/unconceivable>.
Unconceivable or Impossible. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/impossible/unconceivable.
Google Ngram Viewer shows how "impossible" and "unconceivable" have occurred on timeline