unnecessary
un|nec|es|sary /ʌnn'esəsri, AM -seri/
[ADJ]
If you describe something as unnecessary, you mean that it is not needed or does not have to be done, and is undesirable.
The slaughter of whales is unnecessary and inhuman...
He accused Diana of making an unnecessary fuss.
= needless
≠ necessary
● unnecessarily [ADV] ADV with v, ADV adj
I didn't want to upset my husband or my daughter unnecessarily...
A bad keyboard can make life unnecessarily difficult.
= needlessly
[ADJ]
If you describe something as unnecessary, you mean that it is not needed or does not have to be done, and is undesirable.
The slaughter of whales is unnecessary and inhuman...
He accused Diana of making an unnecessary fuss.
= needless
≠ necessary
● unnecessarily [ADV] ADV with v, ADV adj
I didn't want to upset my husband or my daughter unnecessarily...
A bad keyboard can make life unnecessarily difficult.
= needlessly