76 entries under basic topic. ×
| main(adjective, good, superior, unusual, important) | |
| integral(adjective, importance, important, original, serious) | |
| prime(adjective, good, important, original, essential) | |
| first(adjective, superior, unusual, important, rank) | |
| deep(adjective, good, strong, tough, severe) | |
| imperative(adjective, big, important, determined, substantial) | |
| indispensable(adjective, important, original, serious, essential) | |
| mean(verb, adjective, important, essential) | |
| paramount(adjective, good, important, original, serious) | |
| radical(adjective, great, important, original, serious) | |
| all-important(adjective, important, serious, essential, critical) | |
| axiological(adjective, important, original, essential) | |
| axiomatic(important, original, vital, major) | |
| basal(adjective, important, original, essential) | |
| bottom(adjective, important, original, essential) | |
| bottom-line(adjective, important, original, essential, critical) | |
| constitutional(adjective, important, original, essential) | |
| elemental(adjective, important, original, essential) | |
| elementary(adjective, important, original, essential) | |
| exigent(adjective, great, big, heavy, important) |
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| APA | Smart Define. (2016). significant thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/significant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, significant thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/significant/thesaurus/synonyms>. |
| MLA | Smart Define. "significant thesaurus" 4 March 2016. Web. 22 September 2026. <https://smartdefine.org/significant/thesaurus/synonyms> |