unsubstantiated
🇺🇸
/ˌʌnsəbˈstænʃieɪtɪd/
🇬🇧
/ˌʌnsəbˈstænʃieɪtɪd/
not supported with proof or evidence
The claim was unsubstantiated, so it was not accepted.
这个说法没有经过证实,所以没被接受。