- Definitions|2
- Thesaurus|671
- Abbreviations|0
40 entries under critical topic. ×
| life-or-death(adjective, important, essential, basic) | |
| paramount(adjective, important, significant, original, serious) | |
| bottom-line(adjective, important, significant, original, essential) | |
| exigent(adjective, important, significant, serious, essential) | |
| significant(adjective, important, original, serious, essential) | |
| wanted(adjective, important, significant, serious, capital) | |
| all-important(adjective, important, significant, serious, essential) | |
| coal-and-ice(important, essential, basic, fundamental) | |
| constitutive(important, capital, essential, basic) | |
| decisive(adjective, important, significant, essential) | |
| heavy(important, essential, fundamental, earnest) | |
| meaningful(important, substantial, serious, essential) | |
| meat-and-potatoes(important, significant, original, essential) | |
| momentous(adjective, important, significant, substantial, serious) | |
| name(important, essential, fundamental, imperative) | |
| name-of-the-game(important, essential, basic, fundamental) | |
| nitty-gritty(adjective, important, original, essential) | |
| underlined(important, essential, basic, fundamental) | |
| coal and ice(expression, idiom, important, essential) | |
| name of the game(expression, idiom, important, essential) |
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| APA | Smart Define. (2015). indispensable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/indispensable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indispensable thesaurus" https://smartdefine.org/indispensable/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, indispensable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/indispensable/thesaurus/synonyms>. |
| MLA | Smart Define. "indispensable thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/indispensable/thesaurus/synonyms> |