unnecessary
adj.adj. not needed or more than what is required for a situation. You use this to describe things that are extra and do not help.
adj. not required under the circumstances; redundant or superfluous. Often carries a negative connotation implying a waste of time, effort, or resources.
The extra meeting was completely unnecessary.
The doctor told him that surgery was unnecessary because the injury would heal with rest.
Adding further layers of bureaucracy to an already complex system is unnecessary and will likely lead to significant delays in processing applications.
From un- + necessary.
Typically functions as an attributive adjective before a noun or a predicative adjective after a linking verb.
It is unnecessary that you go.It is unnecessary for you to go.When followed by a personal subject, this adjective typically takes a 'for... to' infinitive structure rather than a 'that' clause.