/ˌʌnrɪlaɪəˈbɪlətɪ/ – noun
Definition: sự không đáng tin cậy.
A more throughout explanation: Unreliability refers to the quality or state of being undependable, inconsistent, or not trustworthy in fulfilling obligations, duties, or expectations.
Example: The court found the witness’s testimony to be unreliable due to inconsistencies in his statements.