137 entries under significant topic. ×
| major-league(adjective, strong, great, powerful, unusual) | |
| noticeable(adjective, solid, extraordinary, unusual, strange) | |
| solid(adjective, outstanding, characteristic, extraordinary, importance) | |
| strong(adjective, solid, energetic, big, powerful) | |
| worthwhile(adjective, good, sensible, useful) | |
| basic(adjective, essential, vital, main) | |
| extensive(adjective, substantial, feature, characteristic, trait) | |
| front-page(adjective, feature, characteristic, trait, outstanding) | |
| requisite(adjective, original, essential, critical) | |
| ruling(adjective, serious, essential, prominent) | |
| capital(adjective, bad, great, excellent, fine) | |
| commanding(adjective, fine, grand, critical) | |
| ponderous(adjective, substantial, feature, characteristic, big) | |
| august(adjective, great, excellent, fine, intense) | |
| much(adjective, feature, characteristic, trait) | |
| of moment(adjective, expression, feature, characteristic, trait) | |
| pertinent(adjective, proper, suitable, consistent) | |
| something(adjective, substantial, feature, characteristic, big) | |
| striking(adjective, great, solid, extraordinary, unusual) | |
| unusual(adjective, solid, extraordinary, strange, wonderful) |
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| APA | Smart Define. (2016). important thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/important/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "important thesaurus" https://smartdefine.org/important/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, important thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/important/thesaurus/synonyms>. |
| MLA | Smart Define. "important thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/important/thesaurus/synonyms> |