83 entries under essential topic. ×
| needed(adjective, important, significant, capital) | |
| nitty-gritty(adjective, important, original, critical) | |
| prerequisite(adjective, important, significant, capital) | |
| quintessential(adjective, significant, basic, vital) | |
| required(adjective, important, significant, capital) | |
| substratal(adjective, important, significant, original) | |
| underlined(important, critical, basic, fundamental) | |
| urgent(adjective, important, significant, critical) | |
| wanted(adjective, important, significant, capital) | |
| all-important(adjective, significant, basic, vital) | |
| binding(adjective, significant, basic, vital) | |
| bottom line(expression, important, significant, basic) | |
| coal and ice(expression, idiom, important, critical) | |
| de rigueur(expression, adjective, significant, basic) | |
| exigent(adjective, significant, basic, vital) | |
| expedient(adjective, significant, basic, vital) | |
| incumbent on(expression, adjective, significant, basic) | |
| name of game(expression, adjective, idiom, significant) | |
| name of the game(expression, idiom, important, critical) | |
| obligatory(adjective, significant, basic, vital) |
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Cardinal on
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| APA | Smart Define. (2015). cardinal thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cardinal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "cardinal thesaurus" https://smartdefine.org/cardinal/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, cardinal thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cardinal/thesaurus/synonyms>. |
| MLA | Smart Define. "cardinal thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/cardinal/thesaurus/synonyms> |