- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
73 entries under heavy topic. ×
| important(adjective, great, tough, severe, extraordinary) | |
| critical(adjective, great, severe, extraordinary, big) | |
| vital(adjective, great, severe, big) | |
| urgent(adjective, tough, severe, big) | |
| momentous(adjective, great, tough, severe, extraordinary) | |
| serious(adjective, great, severe, extraordinary, big) | |
| significant(adjective, great, tough, severe, extraordinary) | |
| grave(adjective, great, tough, severe, big) | |
| major(adjective, great, tough, severe) | |
| pressing(adjective, tough, severe, big) | |
| acute(adjective, severe, important, significant) | |
| weighty(adjective, great, tough, severe, big) | |
| consequential(adjective, big, important, lively) | |
| exigent(adjective, big, important, significant) | |
| great(extraordinary, important, significant, extreme) | |
| life-and-death(adjective, important, serious, critical) | |
| severe(adjective, tough, big, deep) | |
| chief(adjective, great, big, important) | |
| notable(adjective, great, important, lively) | |
| portentous(adjective, big, significant, substantial) |
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| APA | Smart Define. (2016). crucial thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/crucial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "crucial thesaurus" https://smartdefine.org/crucial/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, crucial thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/crucial/thesaurus/synonyms>. |
| MLA | Smart Define. "crucial thesaurus" 11 March 2016. Web. 29 September 2026. <https://smartdefine.org/crucial/thesaurus/synonyms> |