Nonviable
Nonviable adjective - Not capable of living or developing successfully.
Not possible and nonviable are semantically related. In some cases you can use "Not possible" instead an adjective "Nonviable".
Not possible
Nonviable and not possible are semantically related. You can use "Nonviable" instead an adjective phrase "Not possible".
Cite this Source
Not possible and Nonviable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/nonviable/not_possible
Nonviable & Not possible. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/nonviable/not_possible>.
Not possible or Nonviable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/nonviable/not_possible.
Google Ngram Viewer shows how "nonviable" and "not possible" have occurred on timeline