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

87 entries under basic topic. ×

6
compelling(adjective, important, significant, serious, essential)
6
critical(adjective, important, original, serious, essential)
5
pressing(adjective, important, significant, essential, critical)
5
primary(adjective, important, significant, original, serious)
4
integral(adjective, important, original, essential, critical)
3
binding(adjective, significant, essential, vital)
3
inherent(adjective, characteristic, essential, fundamental)
3
life-or-death(adjective, important, essential, critical)
3
paramount(adjective, important, significant, original, serious)
3
principal(adjective, important, significant, original, serious)
3
underlying(adjective, important, original, essential)
2
basal(adjective, important, significant, original, essential)
2
bottom-line(adjective, important, significant, original, essential)
2
chief(adjective, important, significant, serious, capital)
2
elemental(adjective, important, significant, original, essential)
2
elementary(adjective, characteristic, important, significant, natural)
2
exigent(adjective, important, significant, serious, essential)
2
intrinsic(adjective, characteristic, important, significant, natural)
2
significant(adjective, important, original, serious, essential)
2
wanted(adjective, important, significant, serious, capital)
For more, visit Indispensable on Power Thesaurus
11 years ago|8.7k views|share |citing 
APASmart Define. (2015). indispensable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/indispensable/thesaurus/synonyms
ChicagoSmart Define. 2015. "indispensable thesaurus" https://smartdefine.org/indispensable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, indispensable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/indispensable/thesaurus/synonyms>.
MLASmart Define. "indispensable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/indispensable/thesaurus/synonyms>