121 entries under important topic. ×

6
strategic(adjective, crucial)
5
compelling(adjective, serious, essential, vital)
5
heavy(adjective, great, harsh, extraordinary, big)
5
notable(adjective, great, heavy, lively)
5
principal(adjective, great, big, substantial)
5
ugly(adjective, mean, bad, nasty, cross)
4
noteworthy(adjective, lively, outstanding, exciting)
4
fateful(adjective, lively, significant, key)
4
required(adjective, essential, basic, fundamental)
4
requisite(adjective, essential, basic, fundamental)
4
conclusive(adjective, determined, significant, definite)
4
high-priority(adjective, serious, vital, acute)
4
life-and-death(adjective, heavy, serious, vital)
4
primary(adjective, big, significant, substantial)
3
crying(adjective, difficult, cross, negative)
3
heavyweight(adjective, great, big, heavy)
3
integral(adjective, serious, essential, basic)
3
meaningful(adjective, great, significant, substantial)
3
needed(adjective, essential, basic, fundamental)
2
all-important(adjective, serious, grave, dangerous)
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APASmart Define. (2016). critical thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/critical/thesaurus/synonyms
ChicagoSmart Define. 2016. "critical thesaurus" https://smartdefine.org/critical/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, critical thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/critical/thesaurus/synonyms>.
MLASmart Define. "critical thesaurus" 16 February 2016. Web. 25 September 2026. <https://smartdefine.org/critical/thesaurus/synonyms>