Synonyms|43Antonyms|5|Broader|0Narrower|0Related|7
1
unratified(adjective, void, meaningless, invalid, unsubstantiated)
1
unsanctioned(adjective, void, meaningless, invalid, unsubstantiated)
1
unsuccessful(adjective, meaningless, invalid, unsubstantiated, unsupported)
1
useless(adjective, meaningless, invalid, unsubstantiated, unsupported)
1
vain(adjective, meaningless, invalid, unsubstantiated, unsupported)
1
void(adjective, meaningless, invalid, annulled, unconfirmed)
1
voided(adjective, meaningless, invalid, unsubstantiated, unsupported)
1
worthless(adjective, meaningless, invalid, unsubstantiated, unsupported)
0
annulled(invalid, canceled)
0
canceled(invalid, annulled)
0
impracticable(adjective, unprofitable)
0
inefficient(adjective, unprofitable)
0
lossmaking(adjective, unprofitable)
0
running at a loss(expression, adjective, idiom, unprofitable)
0
unachievable
0
unattainable
0
uneconomic(adjective, unprofitable)
0
unfeasible
0
unprofitable
0
unrealistic
For more, visit Not_viable on Power Thesaurus
13 years ago|257 views|share |citing 
APASmart Define. (2013). not viable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/not_viable/thesaurus/synonyms
ChicagoSmart Define. 2013. "not viable thesaurus" https://smartdefine.org/not_viable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, not viable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/not_viable/thesaurus/synonyms>.
MLASmart Define. "not viable thesaurus" 19 May 2013. Web. 23 September 2026. <https://smartdefine.org/not_viable/thesaurus/synonyms>