118 entries under significant topic. ×
| supporting(adjective, important, original, essential) | |
| sustaining(adjective, important, original, essential) | |
| theoretical(adjective, important, original, essential) | |
| weighty(big, important, substantial, serious) | |
| august(adjective, fine, important, grand) | |
| bottom line(expression, important, essential, basic) | |
| exalted(adjective, fine, important, grand) | |
| heroic(adjective, fine, important, grand) | |
| high-minded(adjective, fine, important, grand) | |
| highly regarded(expression, adjective, fine, important) | |
| idealistic(adjective, fine, important, grand) | |
| lofty(adjective, fine, important, grand) | |
| magnanimous(adjective, fine, important, grand) | |
| puissant(adjective, fine, important, grand) | |
| regal(adjective, fine, important, grand) | |
| sublime(adjective, fine, important, grand) | |
| talented(adjective, fine, important, grand) | |
| valuable(big, substantial, vital, imperative) |
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| APA | Smart Define. (2016). primary thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/primary/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, primary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>. |
| MLA | Smart Define. "primary thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms> |