Synonyms|127Antonyms|0|Broader|0Narrower|0Related|14
1
groundless
1
ill-founded
1
in a nutshell(expression, idiom, lower, short, precise)
1
inconclusive
1
indecisive
1
insubstantial
1
lessened(lower, short, precise, relieved, abbreviated)
1
not following
1
not protracted(expression, lower, short, precise, reduced)
1
not proved
1
poor
1
short(adjective, lower, reduced, relieved, abridged)
1
shortened(lower, short, precise, abbreviated, short-lived)
1
unascertained
1
unattested
1
unauthenticated
1
uncertified
1
unconfirmed
1
uncorroborated
1
undemonstrated
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APASmart Define. (2015). unsustained thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unsustained/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsustained thesaurus" https://smartdefine.org/unsustained/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unsustained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unsustained/thesaurus/synonyms>.
MLASmart Define. "unsustained thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/unsustained/thesaurus/synonyms>