279 entries under adjective topic. ×
| significant(substantial, main, importance, valuable) | |
| crucial(characteristic, great, severe, significant) | |
| momentous(significant, substantial, valuable, importance) | |
| essential(substantial, valuable, main, importance) | |
| critical(characteristic, great, significant, serious) | |
| vital(essential, importance, characteristic, significant) | |
| major(great, exceptional, significant, essential) | |
| consequential(significant, importance, big, substantial) | |
| noteworthy(outstanding, worthy, characteristic, great) | |
| notable(noun, famous, exceptional, outstanding) | |
| influential(powerful, substantial, notable, importance) | |
| prominent(famous, outstanding, eminent, characteristic) | |
| serious(substantial, crucial, great, importance) | |
| weighty(significant, strong, substantial, importance) | |
| eminent(great, excellent, famous, prominent) | |
| grave(substantial, crucial, severe, importance) | |
| famous(outstanding, great, exceptional, significant) | |
| outstanding(main, notable, striking, excellent) | |
| distinguished(outstanding, great, excellent, famous) | |
| leading(powerful, significant, essential, main) |
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| APA | Smart Define. (2016). important thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/important/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "important thesaurus" https://smartdefine.org/important/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, important thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/important/thesaurus/synonyms>. |
| MLA | Smart Define. "important thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/important/thesaurus/synonyms> |