unwarranted
adj. C1 Advanced US //ənˈwɔɹəntɪd// UK //ʌnwˈɒɹəntɪd// un·war·rant·ed
adj. not fair or necessary for the situation. You use this to describe an action or feeling that has no good reason behind it.
adj. lacking justification, authority, or a valid reason. Often describes negative reactions, such as criticism or interference, that are seen as excessive or unearned.
The boss gave me some unwarranted criticism today.
The police decided that a full search of the vehicle was unwarranted because the driver had not broken any laws.
While the initial concerns were valid, the subsequent media frenzy was largely unwarranted and caused significant distress to the family involved.
From un- + warranted.
Usage
Typically used before a noun or after a linking verb like 'be' or 'seem'.