38 entries under critical topic. ×
| integral(important, essential, basic, fundamental) | |
| principal(adjective, important, significant, serious, capital) | |
| bottom-line(adjective, important, significant, essential) | |
| heavy(important, essential, basic, key) | |
| key(important, essential, basic, fundamental) | |
| life-or-death(adjective, important, essential, basic) | |
| meaningful(important, essential, fundamental, decisive) | |
| meat-and-potatoes(important, essential, basic, fundamental) | |
| meat and potatoes(expression, idiom, decisive) | |
| momentous(adjective, important, significant, serious, essential) | |
| name(important, essential, basic, fundamental) | |
| name-of-the-game(important, essential, basic, fundamental) | |
| nitty-gritty(important, essential, basic, fundamental) | |
| paramount(adjective, important, significant, serious, essential) | |
| significant(adjective, important, essential, basic) | |
| 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). required thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/required/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "required thesaurus" https://smartdefine.org/required/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, required thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/required/thesaurus/synonyms>. |
| MLA | Smart Define. "required thesaurus" 3 November 2015. Web. 26 September 2026. <https://smartdefine.org/required/thesaurus/synonyms> |