/ˌʌnɔːˈθɒrɪtətɪv/ – adjective
Definition: 1. không có uy tín, không đáng tin cậy;
2. không có thẩm quyền;
3. không có quyền hành.
A more thorough explanation: “Unauthoritative” refers to something that lacks the necessary official or recognized authorization, approval, or credibility. It denotes a lack of authority or validity in a legal or formal context.
Example: The court dismissed the unauthoritative testimony of the witness due to lack of credibility and relevance to the case.