Not viable
Without substantiation and not viable are semantically related. In some cases you can use "Without substantiation" instead an adjective phrase "Not viable".
Without substantiation
Not viable and without substantiation are semantically related. Sometimes you can use "Not viable" instead an adjective phrase "Without substantiation".
Mutual synonyms
Related pairs
- dead and not viable
- dead and without substantiation
- worthless and not viable
- worthless and without substantiation
- inoperative and not viable
- inoperative and without substantiation
- unfruitful and not viable
- unfruitful and without substantiation
- null and not viable
- null and without substantiation
- ungrounded and not viable
- ungrounded and without substantiation
- unfounded and not viable
- unfounded and without substantiation
Cite this Source
Without substantiation and Not viable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/not_viable/without_substantiation
Not viable & Without substantiation. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/not_viable/without_substantiation>.
Without substantiation or Not viable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/not_viable/without_substantiation.
Google Ngram Viewer shows how "not viable" and "without substantiation" have occurred on timeline