unsubstantiated
🇺🇸
/ˌʌnsəbˈstænʃieɪtɪd/
🇬🇧
/ˌʌnsəbˈstænʃieɪtɪd/
adjective
R
not supported with proof or evidence
The claim was unsubstantiated, so it was not accepted.
translation
not supported with proof or evidence