68 entries under significant topic. ×
| dominant(adjective, top, important, essential) | |
| foremost(adjective, top, important, original) | |
| major(adjective, important, original, essential) | |
| middle(noun, adjective, important, emotion) | |
| momentous(adjective, essential, vital, required) | |
| needed(adjective, important, essential, critical) | |
| substratal(adjective, simple, plain, important) | |
| theoretical(adjective, important, original, essential) | |
| bottom-line(adjective, important, original, essential) | |
| bottom line(noun, expression, law, important) | |
| mandatory(adjective, essential, vital, fundamental) | |
| name of game(noun, expression, adjective, idiom) | |
| nuclear(material, important, natural, main) | |
| outstanding(adjective, important, original, essential) | |
| quintessential(adjective, important, essential, vital) | |
| urgent(adjective, important, essential, critical) | |
| all-important(adjective, essential, vital, fundamental) | |
| binding(adjective, essential, vital, fundamental) | |
| compelling(adjective, essential, vital, fundamental) | |
| de rigueur(expression, adjective, essential, vital) |
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| APA | Smart Define. (2015). basic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/basic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "basic thesaurus" https://smartdefine.org/basic/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, basic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/basic/thesaurus/synonyms>. |
| MLA | Smart Define. "basic thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/basic/thesaurus/synonyms> |