Indispensable Thesaurus / Antonyms

11	unnecessary(adjective, unimportant, valuable, required)
7	dispensable(adjective, able, necessary)
7	needless
4	superfluous
3	optional
3	ancillary
2	nonessential
1	auxiliary
1	inessential
1	unessential
1	elective
1	disorganic
0	additional
0	avoidable
0	discretionary
0	disposable
0	excess
0	expendable
0	extra
0	extraneous

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APA	Smart Define. (2015). indispensable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/indispensable/thesaurus/antonyms
Chicago	Smart Define. 2015. "indispensable thesaurus" https://smartdefine.org/indispensable/thesaurus/antonyms (accessed September 23, 2026).
Harvard	Smart Define 2015, indispensable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/indispensable/thesaurus/antonyms>.
MLA	Smart Define. "indispensable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/indispensable/thesaurus/antonyms>

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