Lesser in seriousness or danger:
Of small importance or consideration; trifling:
Not relevant; not pertinent; not to the point; not relating to the subject
Of, relating to, or being the simplest possible case; self-evident.
The definition of unnecessary is not needed.
Not essential; of relatively no importance; unnecessary
Find another word for unessential. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for unessential, like: inessential, dispensable, minor, slight, irrelevant, trivial, unnecessary, needless, nonessential, uncalled-for and unneeded.