Synonyms|92Antonyms|1|Broader|0Narrower|0Related|3

37 entries under important topic. ×

2
critical(significant, serious, historic)
2
heavy number(expression, significant, historic)
2
momentous(adjective, significant, historic)
1
big(significant, historic)
1
chips are down(expression, idiom, significant, historic)
1
consequential(significant, serious, critical, historic)
1
crucial(significant, serious, critical, historic)
1
earthshaking(adjective, serious, critical)
1
epochal(significant, historic)
1
eventful(significant, historic)
1
fateful(significant, historic)
1
historic
1
important serious(expression, significant, historic)
1
life-and-death(adjective, earthshaking)
1
material(significant, historic)
1
meaningful(significant, serious, critical, historic)
1
memorable(significant, historic)
1
of moment(expression, significant, historic)
1
outstanding(significant, historic)
1
pivotal(significant, serious, critical, historic)
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APASmart Define. (2013). earth-shattering thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/earth-shattering/thesaurus/synonyms
ChicagoSmart Define. 2013. "earth-shattering thesaurus" https://smartdefine.org/earth-shattering/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2013, earth-shattering thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/earth-shattering/thesaurus/synonyms>.
MLASmart Define. "earth-shattering thesaurus" 17 June 2013. Web. 29 September 2026. <https://smartdefine.org/earth-shattering/thesaurus/synonyms>