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

74 entries under essential topic. ×

2
main(adjective, important, original, serious, capital)
2
significant(adjective, important, original, serious)
2
wanted(adjective, important, significant, serious, capital)
1
all-important(adjective, important, significant, serious)
1
bottom(adjective, important, significant, original)
1
capital(important, vital, key, earnest)
1
coal-and-ice(important, critical, basic, fundamental)
1
constitutional(characteristic, important, significant, original)
1
constitutive(important, capital, critical, basic)
1
decisive(adjective, important, significant, critical)
1
deep-seated(characteristic, original, basic, primary)
1
heavy(important, critical, fundamental, earnest)
1
latent(adjective, characteristic, natural, original)
1
meaningful(important, substantial, serious, critical)
1
meat-and-potatoes(important, significant, original, critical)
1
momentous(adjective, important, significant, substantial, serious)
1
name(important, critical, fundamental, imperative)
1
name-of-the-game(important, critical, basic, fundamental)
1
nitty-gritty(adjective, important, original, critical)
1
original(characteristic, important, significant, basic)
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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>