unnecessary (Meaning)

Wordnet

unnecessary (a)

not necessary

The purchase of a new car was unnecessary, as our current vehicle is still in excellent condition.
The extra layer of clothing was unnecessary, as the weather was unexpectedly warm.
The lengthy explanation was unnecessary, as the concept was simple enough to understand.
The apology was unnecessary, as the mistake was minor and unintentional.
The formal attire was unnecessary for the casual gathering.
The precautionary measures were unnecessary, as the risk was extremely low.
The extra expense was unnecessary, as the original budget was sufficient.
The detailed instructions were unnecessary, as the task was straightforward.
The security measures were unnecessary, as the area was considered safe.
The additional paperwork was unnecessary, as the information was already available.

not necessary

irrelevant, optional, needless, unwarranted, dispensable, nonessential,extra, redundant, discretionary, elective

required,necessary, important, important, necessary, required, essential, essential,needed, needed

The purchase of a new car was unnecessary, as our current vehicle is still in excellent condition.

The extra layer of clothing was unnecessary, as the weather was unexpectedly warm.

The lengthy explanation was unnecessary, as the concept was simple enough to understand.

The apology was unnecessary, as the mistake was minor and unintentional.