63 entries under essential topic. ×
| coal-and-ice(important, critical, basic, fundamental) | |
| constitutive(important, critical, basic, fundamental) | |
| de rigueur(expression, adjective, significant, basic) | |
| expedient(adjective, significant, basic, vital) | |
| fundamental(adjective, important, significant, critical) | |
| incumbent on(expression, adjective, significant, basic) | |
| integral(important, significant, serious, critical) | |
| key(important, significant, critical, basic) | |
| meat-and-potatoes(important, critical, basic, fundamental) | |
| name(important, critical, fundamental, decisive) | |
| name-of-the-game(important, critical, basic, fundamental) | |
| name of game(expression, adjective, idiom, significant) | |
| nitty-gritty(important, critical, basic, fundamental) | |
| prerequisite(adjective, important, significant, critical) | |
| quintessential(adjective, significant, basic, vital) | |
| specified(adjective, significant, basic, vital) | |
| unavoidable(adjective, strong, significant, basic) | |
| underlined(important, critical, basic, fundamental) | |
| binding(adjective, significant, basic, vital) | |
| coal and ice(expression, idiom, important, critical) |
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| APA | Smart Define. (2015). urgent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/urgent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "urgent thesaurus" https://smartdefine.org/urgent/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, urgent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/urgent/thesaurus/synonyms>. |
| MLA | Smart Define. "urgent thesaurus" 3 August 2015. Web. 28 September 2026. <https://smartdefine.org/urgent/thesaurus/synonyms> |