- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
192 entries under significant topic. ×
| outstanding(adjective, excellent, extraordinary, superior, importance) | |
| noteworthy(adjective, great, solid, extraordinary, big) | |
| meaningful(adjective, good, clear, strong, great) | |
| eventful(adjective, bad, great, excellent, extraordinary) | |
| signal(adjective, great, solid, extraordinary, importance) | |
| decisive(adjective, great, extraordinary, big, important) | |
| chief(adjective, bad, great, excellent, superior) | |
| prominent(adjective, good, strong, solid, extraordinary) | |
| leading(adjective, feature, state, characteristic, good) | |
| principal(adjective, good, bad, great, excellent) | |
| relevant(adjective, clear, importance, big) | |
| urgent(adjective, clear, tough, severe, big) | |
| capital(adjective, bad, great, excellent, important) | |
| main(adjective, good, bad, great, excellent) | |
| cogent(adjective, energetic, effective, forceful) | |
| distinguished(adjective, bad, great, excellent, extraordinary) | |
| eminent(adjective, good, bad, great, excellent) | |
| heavy(adjective, great, tough, severe, big) | |
| pressing(adjective, tough, severe, big, heavy) | |
| primary(adjective, superior, big, unusual, important) |
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| APA | Smart Define. (2016). momentous thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/momentous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "momentous thesaurus" https://smartdefine.org/momentous/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, momentous thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/momentous/thesaurus/synonyms>. |
| MLA | Smart Define. "momentous thesaurus" 1 April 2016. Web. 1 October 2026. <https://smartdefine.org/momentous/thesaurus/synonyms> |