Without substantiation synonyms

What is another word for Without substantiation?

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Synonyms for Without substantiation. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/synonyms/without_substantiation
Synonyms for Without substantiation. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/synonyms/without_substantiation>.
Synonyms for Without substantiation. 2016. Accessed August 12, 2026. https://thesaurus.plus/synonyms/without_substantiation.