94 entries under vital topic. ×

3
needed(adjective, important, significant, essential, critical)
3
principal(adjective, great, big, significant, substantial)
3
salient(adjective, big, significant, substantial, valuable)
2
consequential(adjective, clear, heavy, important, significant)
2
decisive(adjective, severe, big, important, significant)
2
hazardous(adjective, bad, heavy, significant, serious)
2
perilous(adjective, bad, heavy, significant, serious)
2
substantial(adjective, big, significant, valuable)
2
ugly(adjective, bad, tough, severe, heavy)
1
all-important(adjective, important, significant, serious, essential)
1
basic(adjective, important, significant, essential, critical)
1
big(significant, substantial, valuable, imperative)
1
big-league(significant, imperative)
1
bottom-line(adjective, important, significant, essential, critical)
1
cardinal(adjective, important, significant, essential, critical)
1
central(adjective, important, significant, critical)
1
considerable(big, significant, substantial, valuable)
1
conspicuous(significant, imperative)
1
de rigueur(expression, adjective, significant, essential, basic)
1
esteemed(significant, imperative)
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APASmart Define. (2015). urgent thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/urgent/thesaurus/synonyms
ChicagoSmart Define. 2015. "urgent thesaurus" https://smartdefine.org/urgent/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, urgent thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/urgent/thesaurus/synonyms>.
MLASmart Define. "urgent thesaurus" 3 August 2015. Web. 30 September 2026. <https://smartdefine.org/urgent/thesaurus/synonyms>