12 entries under grave topic. ×

6
crucial(adjective, important, significant, serious, essential)
3
critical(adjective, important, serious, dangerous)
2
vital(adjective, important, significant, serious, essential)
1
consequential(adjective, important, significant, serious, critical)
1
decisive(adjective, significant, serious, essential, basic)
1
momentous(adjective, significant, serious, essential, critical)
1
pressing(adjective, significant, serious, essential, basic)
1
significant(adjective, important, serious, essential, critical)
1
urgent(adjective, important, significant, serious, essential)
0
exceptive(adjective, significant, serious, vital)
0
high-priority(adjective, significant, serious, vital)
0
urgently important(expression, adjective, significant, serious, vital)
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APASmart Define. (2015). all-important thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/all-important/thesaurus/synonyms
ChicagoSmart Define. 2015. "all-important thesaurus" https://smartdefine.org/all-important/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, all-important thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/all-important/thesaurus/synonyms>.
MLASmart Define. "all-important thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/all-important/thesaurus/synonyms>