239 entries under important topic. ×
| radical(adjective, great, original, serious) | |
| red-letter(adjective, great, extraordinary, superior, unusual) | |
| relative(adjective, consistent, related, applicable) | |
| renowned(adjective, big, outstanding, substantial) | |
| super(adjective, good, extraordinary, big, unusual) | |
| terrific(adjective, great, extraordinary, unusual) | |
| worthwhile(adjective, strong, solid, big) | |
| admissible(consistent, related, applicable, germane) | |
| accordant(consistent, applicable, germane, pertinent) | |
| acute(adjective, severe, sharp, heavy) | |
| ad rem(expression, substantial, serious, related) | |
| all-consuming | |
| all-important(adjective, serious, essential, critical) | |
| allowable(consistent, related, applicable, germane) | |
| applicatory(consistent, related, applicable, germane) | |
| appurtenant(consistent, applicable, germane, pertinent) | |
| axiological(adjective, original, essential, basic) | |
| axiomatic(original, basic, vital, major) | |
| basal(adjective, original, essential, basic) | |
| becoming(consistent, applicable, germane, pertinent) |
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| APA | Smart Define. (2016). significant thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/significant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, significant thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/significant/thesaurus/synonyms>. |
| MLA | Smart Define. "significant thesaurus" 4 March 2016. Web. 23 September 2026. <https://smartdefine.org/significant/thesaurus/synonyms> |