unnecessary
Sayun-NES-uh-sair-ee/ʌnˈnɛs.əˌsɛɹ.i//anˈnes.əˌseɹ.i/UKun-NES-uh-suh-ree/ʌnˈnɛs.ə.s(ə)ɹɪ/
- 1Not needed, or not useful for what you want to do.
Like a spare umbrella on a sunny day: you just don't need it.
You don't have to bring a coat. It's unnecessary on such a warm day.
The teacher said the extra page was unnecessary and could be left out.
Similarneedless, unneeded, superfluous, redundant, pointless
- 2Done as something extra, more than what is really needed.
Like adding salt to food that is already salty enough.
He added an unnecessary apology after he had already said sorry twice.
All the extra decorations were unnecessary, but everyone agreed they looked nice.
Similargratuitous, needless, uncalled-for, excessive, pointless
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Origin
Made from "un-" (meaning "not") plus "necessary".