- Definitions|0
- Thesaurus|16
- Abbreviations|0
5 entries under expression topic. ×
| extremely important(adjective, important, serious, critical) | |
| life and death(adjective, idiom, earthshaking) | |
| life or death(adjective, idiom, important, serious) | |
| of vital importance(adjective, idiom, important, serious) | |
| vitally important(adjective, important, serious, critical) |
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| APA | Smart Define. (2013). earthshattering thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/earthshattering/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "earthshattering thesaurus" https://smartdefine.org/earthshattering/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2013, earthshattering thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/earthshattering/thesaurus/synonyms>. |
| MLA | Smart Define. "earthshattering thesaurus" 18 May 2013. Web. 23 September 2026. <https://smartdefine.org/earthshattering/thesaurus/synonyms> |