67 entries under main topic. ×
| far reaching(adjective, importance, valuable, notable) | |
| haughty(adjective, importance, valuable, notable) | |
| high-up(adjective, importance, valuable, notable) | |
| historic(adjective, importance, important, extremely significant) | |
| impressive(adjective, importance, valuable, notable) | |
| integral(adjective, importance, extremely significant) | |
| key-note(adjective, importance, valuable, notable) | |
| meaningful(adjective, importance, extremely significant) | |
| newsworthy(adjective, importance, valuable, notable) | |
| paramount(adjective, important, significant, prominent, basic) | |
| portentous(adjective, importance, valuable, notable) | |
| purposeful(adjective, importance, valuable, notable) | |
| relevant(adjective, importance, extremely significant) | |
| remarkable(adjective, importance, valuable, notable) | |
| responsible(adjective, importance, valuable, notable) | |
| solemn(adjective, importance, valuable, notable) | |
| dominant(superior, important, outstanding, significant, prominent) | |
| premier(adjective, lead, important, head, beginning) | |
| focal(adjective, important, significant, chief) | |
| head(adjective, lead, beginning, master, prime) |
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| APA | Smart Define. (2016). key thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/key/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "key thesaurus" https://smartdefine.org/key/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, key thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/key/thesaurus/synonyms>. |
| MLA | Smart Define. "key thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/key/thesaurus/synonyms> |