73 entries under vital topic. ×

2
grievous(adjective, hard, great, tough, difficult)
2
influential(adjective, great, important, significant, serious)
2
material(adjective, big, heavy, important, significant)
2
needful(adjective, important, original, basic)
2
paramount(direct, prompt, important, significant, serious)
2
salient(adjective, sharp, big, important, significant)
2
searching(adjective, important, logical, decisive)
2
signal(adjective, great, extraordinary, lively, significant)
2
substantial(adjective, big, heavy, important, significant)
1
burning(adjective, sharp, tender, important, extreme)
1
big(heavy, important, significant, substantial, valuable)
1
big-league(great, extraordinary, heavy, outstanding, significant)
1
chief(adjective, great, big, heavy, significant)
1
clamant(adjective, important, extreme, serious, essential)
1
earnest(big, heavy, significant, substantial, valuable)
1
exceptional(great, big, heavy, significant, substantial)
1
far-reaching(big, important, significant, substantial, valuable)
1
foremost(significant, key, earnest, chief)
1
front-page(great, big, heavy, significant, substantial)
1
importunate(adjective, hard, tough, difficult, big)
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APASmart Define. (2016). critical thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/critical/thesaurus/synonyms
ChicagoSmart Define. 2016. "critical thesaurus" https://smartdefine.org/critical/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, critical thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/critical/thesaurus/synonyms>.
MLASmart Define. "critical thesaurus" 16 February 2016. Web. 30 September 2026. <https://smartdefine.org/critical/thesaurus/synonyms>