Synonyms|285Antonyms|76|Broader|4Narrower|0Related|306

93 entries under adjective topic. ×

1
existent
1
idiopathic
1
incumbent
1
inexorable
1
latent(characteristic, natural, original, essential)
1
momentous(important, significant, substantial, serious)
1
nitty-gritty(important, original, essential, critical)
1
prime(important, significant, original, serious)
1
primitive(important, significant, original, essential)
1
proviso
1
quintessential(important, significant, essential, basic)
1
radical(important, significant, original, essential)
1
real
1
stipulated
1
substratal(important, significant, original, essential)
0
advantageous
0
concealed(original, basic, fundamental, hidden)
0
constructive
0
de rigueur(expression, significant, essential, basic)
0
effective
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APASmart Define. (2015). indispensable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/indispensable/thesaurus/synonyms
ChicagoSmart Define. 2015. "indispensable thesaurus" https://smartdefine.org/indispensable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, indispensable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/indispensable/thesaurus/synonyms>.
MLASmart Define. "indispensable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/indispensable/thesaurus/synonyms>