Unsubstantiated Thesaurus / Synonyms / page 3

1	specious
1	speculative(adjective, theoretical)
1	spurious(adjective, untrue, illogical, inaccurate, deceptive)
1	subjective
1	tenancy
1	theoretic(adjective, theoretical)
1	unascertained
1	unattested
1	unauthenticated
1	uncertified
1	unconvincing
1	undemonstrated
1	undependable
1	undetermined
1	unendorsed
1	unestablished
1	unfixed
1	ungrounded
1	unjustifiable
1	unlikely

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APA	Smart Define. (2016). unsubstantiated thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unsubstantiated/thesaurus/synonyms
Chicago	Smart Define. 2016. "unsubstantiated thesaurus" https://smartdefine.org/unsubstantiated/thesaurus/synonyms (accessed September 27, 2026).
Harvard	Smart Define 2016, unsubstantiated thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unsubstantiated/thesaurus/synonyms>.
MLA	Smart Define. "unsubstantiated thesaurus" 3 February 2016. Web. 27 September 2026. <https://smartdefine.org/unsubstantiated/thesaurus/synonyms>

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