- Definitions|1
- Thesaurus|550
- Abbreviations|0
37 entries under significant topic. ×
| big(adjective, great, informal, heavy, important) | |
| considerable(adjective, big, heavy, important) | |
| major-league(adjective, great, extraordinary, important) | |
| consequential(adjective, big, heavy, important) | |
| important(adjective, great, big, heavy, important) | |
| momentous(adjective, big, heavy, important, outstanding) | |
| substantial(adjective, big, heavy, important) | |
| bulky(adjective, big, heavy, substantial) | |
| abundant(adjective, heavy, large, considerable) | |
| ample(adjective, heavy, large, considerable) | |
| key(large, considerable) | |
| large(adjective, heavy, huge, considerable) | |
| material(big, heavy, substantial, large) | |
| durable(adjective, large, considerable) | |
| extensive(large, considerable) | |
| extraordinary(great, outstanding, large, notable) | |
| generous(adjective, large, considerable) | |
| meaningful(great, big, heavy, important) | |
| memorable(adjective, noteworthy) | |
| sizable(large, considerable) |
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| APA | Smart Define. (2016). heavyweight thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/heavyweight/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "heavyweight thesaurus" https://smartdefine.org/heavyweight/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, heavyweight thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/heavyweight/thesaurus/synonyms>. |
| MLA | Smart Define. "heavyweight thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/heavyweight/thesaurus/synonyms> |