Fleeting
Fleeting adjective - Lasting only for a short time.
Unviable and fleeting are semantically related. In some cases you can use "Unviable" instead an adjective "Fleeting".
Nearby Word: fleetingness
Unviable
Cite this Source
Unviable and Fleeting. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/fleeting/unviable
Fleeting & Unviable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/fleeting/unviable>.
Unviable or Fleeting. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/fleeting/unviable.
Google Ngram Viewer shows how "fleeting" and "unviable" have occurred on timeline