60 entries under main topic. ×
| indispensable(adjective, important, significant, original, serious) | |
| material(adjective, body, big, important, significant) | |
| necessary(adjective, body, material, big, important) | |
| prominent(adjective, important, outstanding, head, significant) | |
| ruling(adjective, excellent, important, head, significant) | |
| stellar(adjective, important, outstanding, prominent, prime) | |
| topmost(adjective, top, excellent, fine, superior) | |
| champion(adjective, order, top, superior, heavy) | |
| crowning(adjective, excellent, fine, outstanding, prominent) | |
| influential(adjective, significant, vital, chief) | |
| salient(adjective, big, important, significant, substantial) | |
| especial(adjective, superior, unusual, exceptional, distinct) | |
| incomparable(adjective, outstanding, head, prominent, prime) | |
| maximum(adjective, excellent, fine, outstanding, prominent) | |
| middle(adjective, important, significant, essential, basic) | |
| nuclear(material, important, significant, natural, basic) | |
| top tier(adjective, excellent, famous, best) | |
| transcendent(adjective, outstanding, head, prominent, prime) | |
| in demand(expression, basic, chief, necessary) | |
| popular(adjective, important, ordinary, normal, prominent) |
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| APA | Smart Define. (2016). primary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/primary/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, primary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>. |
| MLA | Smart Define. "primary thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms> |