578 entries under adjective topic. ×
| decisive(great, extraordinary, big, important) | |
| forceful(sharp, energetic, important, powerful) | |
| key(importance, important, guide, original) | |
| noticeable(clear, solid, extraordinary, unusual) | |
| principal(good, great, big, important) | |
| symbolic(representative, meaningful, telling, ominous) | |
| sizeable(comfort, rich, well, convenient) | |
| big-league(importance, valuable, main, notable) | |
| central(important, original, essential, basic) | |
| dominant(important, rank, post, status) | |
| fateful(importance, valuable, main, notable) | |
| indicative(characteristic, open, energetic, sensitive) | |
| memorable(extraordinary, superior, unusual, important) | |
| pivotal(important, serious, critical, vital) | |
| purposeful(importance, valuable, main, notable) | |
| significative(importance, valuable, main, notable) | |
| striking(clear, open, energetic, outstanding) | |
| superior(unusual, important, rank, exceptional) | |
| compelling(clear, important, meaning, essential) | |
| grand(importance, valuable, main, notable) |
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| APA | Smart Define. (2016). significant thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/significant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, significant thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/significant/thesaurus/synonyms>. |
| MLA | Smart Define. "significant thesaurus" 4 March 2016. Web. 23 September 2026. <https://smartdefine.org/significant/thesaurus/synonyms> |