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

80 entries under important topic. ×

5
necessitous(adjective, capital, essential, vital)
5
of the essence(expression, adjective, idiom, essential)
5
pressing(adjective, significant, essential, critical)
5
primary(adjective, significant, original, serious)
4
integral(adjective, original, essential, critical)
4
life-and-death
4
material(noun, adjective, relevant)
3
life-or-death(adjective, essential, critical, basic)
3
paramount(adjective, significant, original, serious)
3
principal(adjective, significant, original, serious)
3
underlying(adjective, original, essential, basic)
2
basal(adjective, significant, original, essential)
2
bottom-line(adjective, significant, original, essential)
2
chief(adjective, significant, serious, capital)
2
elemental(adjective, significant, original, essential)
2
elementary(adjective, characteristic, significant, natural)
2
exigent(adjective, significant, serious, essential)
2
intrinsic(adjective, characteristic, significant, natural)
2
main(adjective, original, serious, capital)
2
significant(adjective, original, serious, essential)
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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>