- Definitions|0
- Thesaurus|79
- Abbreviations|0
37 entries under important topic. ×
| momentous(adjective, significant, historic) | |
| significant(adjective, serious, critical, historic) | |
| chips are down(expression, idiom, significant, historic) | |
| consequential(adjective, significant, serious, critical) | |
| critical(adjective, significant, serious, historic) | |
| crucial(adjective, significant, serious, critical) | |
| decisive(adjective, significant, historic) | |
| epochal(significant, historic) | |
| eventful(significant, historic) | |
| fateful(adjective, significant, historic) | |
| heavy number(expression, significant, historic) | |
| historic | |
| important serious(expression, significant, historic) | |
| life-and-death(adjective, earthshaking) | |
| meaningful(significant, serious, critical, historic) | |
| memorable(significant, historic) | |
| of moment(expression, significant, historic) | |
| outstanding(significant, historic) | |
| pivotal(adjective, significant, serious, critical) | |
| vital(significant, serious, critical, historic) |
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| APA | Smart Define. (2013). earth-shaking thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/earth-shaking/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "earth-shaking thesaurus" https://smartdefine.org/earth-shaking/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2013, earth-shaking thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/earth-shaking/thesaurus/synonyms>. |
| MLA | Smart Define. "earth-shaking thesaurus" 18 May 2013. Web. 28 September 2026. <https://smartdefine.org/earth-shaking/thesaurus/synonyms> |