578 entries under adjective topic. ×
| important(good, strong, great, tough) | |
| substantial(strong, importance, big, heavy) | |
| momentous(good, clear, strong, great) | |
| serious(good, great, extraordinary, importance) | |
| considerable(clear, importance, big, heavy) | |
| weighty(good, clear, strong, great) | |
| consequential(good, clear, importance, big) | |
| notable(clear, great, solid, extraordinary) | |
| critical(great, extraordinary, big, heavy) | |
| crucial(great, tough, severe, extraordinary) | |
| noteworthy(solid, extraordinary, big, unusual) | |
| meaningful(good, clear, strong, show) | |
| big(good, importance, heavy, important) | |
| expressive(characteristic, strong, show, open) | |
| vital(great, importance, big, heavy) | |
| outstanding(clear, great, extraordinary, importance) | |
| eloquent(strong, show, open, moving) | |
| grave(great, tough, severe, importance) | |
| major(great, tough, severe, superior) | |
| material(good, appropriate, importance, big) |
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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> |