- Definitions|1
- Thesaurus|550
- Abbreviations|0
58 entries under important topic. ×
| big-wig | |
| distinguished | |
| eminent | |
| meaningful(great, big, heavy, significant) | |
| muckamuck(noun, slang) | |
| noteworthy | |
| pivotal | |
| preeminent(order, great, heavy, serious) | |
| principal(order, great, superior, heavy) | |
| prominent | |
| salient | |
| dangerous(great, serious) | |
| outstanding(great, serious, notable, unforgettable) | |
| overshadowing(great, serious) | |
| radical(great, serious) | |
| stellar(great, serious) | |
| top(great, serious, prime, primary) | |
| vital(great, serious) |
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| APA | Smart Define. (2016). heavyweight thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/heavyweight/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "heavyweight thesaurus" https://smartdefine.org/heavyweight/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, heavyweight thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/heavyweight/thesaurus/synonyms>. |
| MLA | Smart Define. "heavyweight thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/heavyweight/thesaurus/synonyms> |