Synonyms|334Antonyms|124|Broader|7Narrower|11Related|552
7
essential(noun, adjective, important, basic, vital)
5
necessary(adjective, unimportant, trivial, essential)
4
important(adjective, dull, weak, substantial, valuable)
4
needed(adjective, essential)
4
requisite(noun, adjective, need)
4
symbiotic
3
indispensable(adjective, necessary)
3
obligatory(adjective, essential, required, optional)
3
requirement(noun, lot)
2
basic(adjective, insignificant, fundamental, intricate, elementary)
2
imperative
2
key(adjective, important, insignificant, unimportant, essential)
2
main(adjective, common, inferior, utter, absolute)
2
mutually beneficial
2
necessity
2
need
2
vital
1
all-important
1
capital(adjective, inferior, insignificant, essential, main)
1
core
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APASmart Define. (2015). nonessential thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/nonessential/thesaurus/antonyms
ChicagoSmart Define. 2015. "nonessential thesaurus" https://smartdefine.org/nonessential/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, nonessential thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nonessential/thesaurus/antonyms>.
MLASmart Define. "nonessential thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/nonessential/thesaurus/antonyms>