- Definitions|1
- Thesaurus|112
- Abbreviations|0
20 entries under fundamental topic. ×
| vital(adjective, important, essential, critical) | |
| important(adjective, essential, critical, imperative) | |
| urgent(adjective, important, essential, critical, basic) | |
| crucial(adjective, important, essential, critical, basic) | |
| essential(adjective, important, critical, basic) | |
| indispensable(adjective, important, essential, critical, basic) | |
| basic(adjective, important, essential, critical) | |
| critical(adjective, important, essential, basic) | |
| imperative(adjective, important, essential, critical, basic) | |
| bottom-line(adjective, important, essential, critical, basic) | |
| coal-and-ice(adjective, important, significant, essential, critical) | |
| decisive(adjective, important, essential, critical, basic) | |
| heavy(adjective, important, significant, essential, critical) | |
| key(adjective, important, essential, critical, basic) | |
| meaningful(adjective, important, significant, essential, critical) | |
| meat-and-potatoes(adjective, important, significant, essential, critical) | |
| name(adjective, important, significant, essential, critical) | |
| name-of-the-game(adjective, important, significant, essential, critical) | |
| significant(adjective, important, essential, critical) | |
| underlined(adjective, important, significant, essential, critical) |
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Life-or-death on
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| APA | Smart Define. (2015). life-or-death thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/life-or-death/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "life-or-death thesaurus" https://smartdefine.org/life-or-death/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, life-or-death thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/life-or-death/thesaurus/synonyms>. |
| MLA | Smart Define. "life-or-death thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/life-or-death/thesaurus/synonyms> |