115 entries under important topic. ×
| greatest(adjective, top, excellent, superior) | |
| best(adjective, excellent, lead, superior, unusual) | |
| great(adjective, significant, vital, imperative) | |
| inaugural(adjective, order, heavy, head) | |
| momentous(adjective, superior, big, unusual) | |
| number one(expression, adjective, order, lead, heavy) | |
| preeminent(adjective, order, top, excellent, superior) | |
| significant(adjective, superior, big, unusual) | |
| top(adjective, excellent, fine, superior) | |
| constitutive(original, serious, basic, prime) | |
| focal(adjective, significant, key, main) | |
| grand(adjective, lead, fine, head) | |
| indispensable(adjective, significant, original, serious) | |
| material(adjective, body, big, significant) | |
| necessary(adjective, body, material, big) | |
| prominent(adjective, outstanding, head, significant) | |
| ruling(adjective, excellent, head, significant) | |
| stellar(adjective, outstanding, prominent, prime) | |
| underived(adjective, rough, significant, original) | |
| big(significant, substantial, large, serious) |
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| APA | Smart Define. (2016). primary thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/primary/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, primary thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>. |
| MLA | Smart Define. "primary thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms> |