195 entries under adjective topic. ×
| remarkable(importance, valuable, main, notable) | |
| responsible(importance, valuable, main, notable) | |
| solemn(importance, valuable, main, notable) | |
| operative(active, influential, functioning) | |
| banner(noun, lead, head, indication) | |
| decisive(important, significant, essential, critical) | |
| elementary(important, head, significant, beginning) | |
| necessary(important, significant, essential, critical) | |
| staple(lead, head, master, basic) | |
| strategic | |
| base(noun, part, lead, head) | |
| crux(noun, cause, lead, head) | |
| premier(lead, important, head, beginning) | |
| underlying(important, significant, original, essential) | |
| basal(lead, important, head, significant) | |
| capital(lead, important, head, master) | |
| elemental(important, significant, original, essential) | |
| focal(important, significant, main, chief) | |
| head(lead, beginning, master, prime) | |
| master(lead, head, boss, exemplary) |
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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> |