Level 6 · word 17,587 of 20,000

unsubstantiated

/ˌʌnsəbˈstænʃiˌeɪtɪd/ American
  • adj. 未经证实的
Definition
  • adj. not proved or supported by facts or evidence
Example
The rumors about the merger remain unsubstantiated by any official source.
关于合并的传闻仍未得到任何官方来源的证实。