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

93 entries under adjective topic. ×

3
life-or-death(important, essential, critical, basic)
3
paramount(important, significant, original, serious)
3
principal(important, significant, original, serious)
3
underlying(important, original, essential, basic)
2
basal(important, significant, original, essential)
2
bottom-line(important, significant, original, essential)
2
chief(important, significant, serious, capital)
2
constraining(required, obligatory)
2
elemental(important, significant, original, essential)
2
elementary(characteristic, important, significant, natural)
2
exigent(important, significant, serious, essential)
2
intrinsic(characteristic, important, significant, natural)
2
main(important, original, serious, capital)
2
significant(important, original, serious, essential)
2
wanted(important, significant, serious, capital)
1
all-important(important, significant, serious, essential)
1
animated
1
bottom(important, significant, original, essential)
1
called-for
1
decisive(important, significant, essential, critical)
For more, visit Indispensable on Power Thesaurus
11 years ago|8.7k views|share |citing 
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>