Definitions
unsupported by other evidence
Word origin
From un- + substantiated.
Used in a sentence
“Such hedging is necessitated by the lack of in-depth knowledge of the contents, which also gives free rein to the scripting of unsubstantiated factoids concerning the book.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Without proof”15 letters
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