137 entries under significant topic. ×
| extraordinary(adjective, outstanding, worthy, great, unusual) | |
| fundamental(adjective, essential, basic, main) | |
| potent(adjective, powerful, effective, strong, eminent) | |
| telling(adjective, strong, energetic, powerful) | |
| respected(adjective, useful, beneficial, characteristic, power) | |
| memorable(adjective, great, importance, unusual, lively) | |
| predominant(adjective, essential, main, bad, great) | |
| fateful(adjective, importance, valuable, main) | |
| noble(adjective, prominent, loud, eminent, influential) | |
| preeminent(adjective, great, outstanding, eminent, bad) | |
| renowned(adjective, great, big, famous, outstanding) | |
| eventful(adjective, bad, great, excellent, extraordinary) | |
| exigent(adjective, serious, essential, vital, feature) | |
| famed(adjective, famous, outstanding, critical) | |
| large(adjective, famous, familiar, substantial) | |
| marked(adjective, extraordinary, substantial, prominent) | |
| organic(adjective, original, basic, vital) | |
| prestigious(adjective, characteristic, power, influence, famous) | |
| controlling(adjective, powerful, strong, effective, characteristic) | |
| far-reaching(adjective, characteristic, feature, severe, importance) |
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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> |