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Unsubstantiated has 28 synonyms. The top synonyms for unsubstantiated are indecisive, unfixed, undetermined, unfounded, untried, unproved, unsupported, inconclusive and 20 more. Another word for unsubstantiated is indecisive. Browse the full list below.
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| Random | DefinitionA common synonym for unsubstantiated is indecisive. Other synonyms include unfixed, undetermined, unfounded, untried.
Unsubstantiated has 28 synonyms listed on Thesaurasize.
(adj): lacking substantiation; without evidence
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