191 entries under adjective topic. ×

5
determinant
5
exigent(big, heavy, important, significant)
5
life-and-death(heavy, important, serious, critical)
5
severe(tough, big, heavy, deep)
5
strategic
4
chief(great, big, heavy, important)
4
clamorous(important, serious, essential, critical)
4
climactic(critical, climax)
4
crying(important, serious, essential, critical)
4
determining(big, important, significant, substantial)
4
meaningful(great, severe, important, significant)
4
notable(great, heavy, important, lively)
4
portentous(big, heavy, significant, substantial)
4
required(important, significant, serious, capital)
4
underlying(important, original, basic, vital)
3
authoritative
3
conclusive(important, determined, significant, serious)
3
distinguished(great, extraordinary, important, significant)
3
elementary(important, significant, original, essential)
3
heavyweight(great, big, heavy, important)
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APASmart Define. (2016). crucial thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/crucial/thesaurus/synonyms
ChicagoSmart Define. 2016. "crucial thesaurus" https://smartdefine.org/crucial/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, crucial thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/crucial/thesaurus/synonyms>.
MLASmart Define. "crucial thesaurus" 11 March 2016. Web. 29 September 2026. <https://smartdefine.org/crucial/thesaurus/synonyms>