197 entries under important topic. ×

11
acute(adjective, severe, heavy, significant)
11
weighty(adjective, great, tough, severe, big)
10
compelling(adjective, significant, serious, essential)
10
fateful(adjective, severe, lively, significant)
10
indispensable(adjective, significant, original, serious)
9
consequential(adjective, big, heavy, lively)
9
deciding(adjective, decide, critical)
7
all-important(adjective, significant, serious, essential)
7
climacteric(adjective, critical, acute, safety)
7
determinative(adjective, decide, conclusive)
6
desperate(adjective, severe, intense, significant)
6
cardinal(adjective, significant, original, essential)
6
dire(adjective, severe, significant, extreme)
6
heavy(adjective, great, tough, severe, extraordinary)
6
high-priority(adjective, critical)
6
primary(adjective, big, significant, original)
6
principal(adjective, great, big, significant)
6
requisite(adjective, significant, original, essential)
5
exigent(adjective, big, heavy, significant)
5
great(extraordinary, heavy, significant, extreme)
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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>