Thesaurus
Synonyms & Antonyms of unsubstantiated
having no basis in reason or fact
- an unsubstantiated claim that was thrown out of court
Synonyms for unsubstantiated
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Antonyms for unsubstantiated
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Merriam-Webster unabridged
Share unsubstantiated
Time Traveler for unsubstantiated
The first known use of unsubstantiated was circa 1775
See more words from the same year