16
unessential(noun, adjective)
11
inessential(noun, adjective)
11
unnecessary
10
dispensable
9
superfluous
9
unimportant
9
unneeded
8
extra(noun, adjective)
8
insignificant
8
less important
8
needless
7
expendable
7
inconsequential
7
minor
6
redundant
6
secondary
5
extraneous
5
gratuitous
5
incidental
4
adventitious
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APASmart Define. (2015). non-essential thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/non-essential/thesaurus/synonyms
ChicagoSmart Define. 2015. "non-essential thesaurus" https://smartdefine.org/non-essential/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, non-essential thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/non-essential/thesaurus/synonyms>.
MLASmart Define. "non-essential thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/non-essential/thesaurus/synonyms>