- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
192 entries under significant topic. ×
| extraordinary(adjective, great, solid, superior, unusual) | |
| far-reaching(adjective, severe, important, substantial) | |
| fundamental(adjective, important, substantial, serious) | |
| major-league(strong, important, powerful, large) | |
| marked(adjective, great, solid, extraordinary, superior) | |
| much(substantial, large) | |
| ominous(adjective, heavy, acute, dangerous) | |
| paramount(adjective, good, big, important) | |
| phenomenal(adjective, bad, great, excellent, solid) | |
| preeminent(adjective, bad, great, excellent, solid) | |
| red-letter(adjective, great, extraordinary, superior, unusual) | |
| standout(adjective, bad, great, excellent, extraordinary) | |
| super(adjective, good, bad, great, extraordinary) | |
| superior(adjective, bad, great, excellent, unusual) | |
| valuable(adjective, big, substantial, large) | |
| abundant(substantial, large, considerable) | |
| acute(adjective, heavy, important, serious) | |
| all-important(adjective, serious, essential, critical) | |
| arresting(adjective, solid, intense, extraordinary, unusual) | |
| arrestive(adjective, solid, extraordinary, unusual, strange) |
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| APA | Smart Define. (2016). momentous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/momentous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "momentous thesaurus" https://smartdefine.org/momentous/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, momentous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/momentous/thesaurus/synonyms>. |
| MLA | Smart Define. "momentous thesaurus" 1 April 2016. Web. 30 September 2026. <https://smartdefine.org/momentous/thesaurus/synonyms> |