(Rare) Without essence or existence; immaterial
The definition of unnecessary is not needed.
Not essential; of relatively no importance; unnecessary
Void of essence, or real being.
Find another word for unneeded. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for unneeded, like: needless, inessential, unnecessary, nonessential, unessential, unrequired, un-necessary, necessary, uncalled-for, un-needed and dispensable.