Synonyms|679Antonyms|135|Broader|7Narrower|8Related|331

197 entries under important topic. ×

1
earth-shaking(adjective, significant, serious, critical)
1
earth-shattering(significant, serious, critical, historic)
1
earthshaking
1
epoch-making
1
exacting(tough, severe, serious, painful)
1
far-reaching(severe, big, significant, substantial)
1
first(adjective, significant, original, basic)
1
foremost(significant, capital, essential, vital)
1
foundational(significant, original, basic, vital)
1
grass-roots(significant, original, basic, vital)
1
grievous(adjective, great, tough, severe, heavy)
1
high-powered
1
hot(great, extraordinary, outstanding, notable)
1
importunate(adjective, big, significant, substantial)
1
impressive(great, extraordinary, powerful, outstanding)
1
integral(significant, serious, essential, critical)
1
intrinsic(adjective, significant, original, essential)
1
leading(adjective, serious, capital, essential)
1
life and death(expression, idiom, great, heavy)
1
marked(big, powerful, significant, substantial)
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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>