60 entries under main topic. ×
| pivotal(adjective, characteristic, importance, significant, significance) | |
| big(adjective, substantial, famous, significant, valuable) | |
| key(adjective, importance, characteristic, valuable) | |
| necessary(adjective, significant, essential, critical, basic) | |
| remarkable(adjective, notable, importance, outstanding, great) | |
| impressive(adjective, bad, strong, great, excellent) | |
| central(adjective, significant, essential, basic, vital) | |
| primary(adjective, significant, substantial, essential, basic) | |
| grand(adjective, importance, notable, characteristic, great) | |
| dominant(adjective, significant, essential, characteristic) | |
| paramount(adjective, significant, essential, critical, basic) | |
| salient(adjective, significant, essential, characteristic) | |
| portentous(adjective, importance, valuable, exciting) | |
| prime(adjective, significant, essential, basic, vital) | |
| cardinal(adjective, essential, significant, basic, vital) | |
| fundamental(adjective, significant, essential, basic) | |
| big-league(adjective, valuable, importance, notable) | |
| earnest(adjective, valuable, importance, substantial) | |
| predominant(adjective, essential, bad, great) | |
| fateful(adjective, importance, significant, valuable) |
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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> |