Synonyms|334Antonyms|124|Broader|7Narrower|11Related|552
0
prerequisite
0
pressing
0
primal
0
primary
0
prime
0
primordial
0
principal
0
proper
0
qualification(failing, ignorance)
0
quandary
0
radical(adjective, basic, fundamental)
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respectable
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reusable
0
rudimentary(adjective, basic, fundamental)
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serious
0
severe
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significant
0
sizable
0
staple
0
star(inferior, insignificant)
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APASmart Define. (2015). nonessential thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/nonessential/thesaurus/antonyms
ChicagoSmart Define. 2015. "nonessential thesaurus" https://smartdefine.org/nonessential/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, nonessential thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/nonessential/thesaurus/antonyms>.
MLASmart Define. "nonessential thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/nonessential/thesaurus/antonyms>