197 entries under important topic. ×

3
paramount(adjective, significant, original, serious)
3
prime(adjective, significant, original, essential)
3
prominent(adjective, exalted)
3
radical(adjective, great, significant, original)
3
rudimentary(adjective, significant, original, basic)
2
basal(adjective, significant, original, essential)
2
big(heavy, significant, substantial, valuable)
2
bottom-line(adjective, significant, original, essential)
2
burning(adjective, serious, essential, critical)
2
compulsory(adjective, significant, essential, critical)
2
considerable(adjective, big, heavy, powerful)
2
constitutional(adjective, significant, original, basic)
2
dominant
2
elemental(adjective, significant, original, essential)
2
eminent
2
eventful(adjective, great, extraordinary, lively)
2
fatal(adjective, critical)
2
influential(adjective, great, big, powerful)
2
instant(adjective, serious, essential, critical)
2
major-league(adjective, great, extraordinary, outstanding)
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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>