- Definitions|2
- Thesaurus|2.3k
- Abbreviations|0
87 entries under important topic. ×
| conclusive(adjective, clear, complete, perfect) | |
| crucial(adjective, great, severe, extraordinary, big) | |
| critical(adjective, great, severe, extraordinary, big) | |
| momentous(adjective, great, extraordinary, big) | |
| determinative(adjective, significant, definite, precise) | |
| pivotal(adjective, significant, serious, critical) | |
| significant(adjective, great, extraordinary, big) | |
| fateful(adjective, lively, significant, definite) | |
| serious(adjective, great, severe, firm, extraordinary) | |
| deciding(adjective, significant, definite, serious) | |
| vital(adjective, severe, big, significant) | |
| imperative(adjective, big, significant, substantial) | |
| effectual(adjective, tough, powerful, effective) | |
| essential(adjective, severe, big, significant) | |
| key(adjective, significant, essential, critical) | |
| necessary(adjective, big, substantial, valuable) | |
| satisfying(powerful, effective) | |
| consequential(adjective, lively, significant, serious) | |
| fatal(adjective, critical) | |
| impressive(strong, great, extraordinary, powerful) |
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| APA | Smart Define. (2015). decisive thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/decisive/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "decisive thesaurus" https://smartdefine.org/decisive/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, decisive thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/decisive/thesaurus/synonyms>. |
| MLA | Smart Define. "decisive thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/decisive/thesaurus/synonyms> |