| heavyweight(figure, heavy, substantial, star) | |
| weighty(adjective, heavy, important, substantial) | |
| bulky(heavy, substantial) | |
| burdensome(heavy, substantial) | |
| consequential(heavy, substantial) | |
| considerable(heavy, substantial) | |
| critical(heavy, substantial) | |
| crucial(heavy, substantial) | |
| cumbersome(heavy, substantial) | |
| cumbrous(heavy, substantial) | |
| dense(heavy, substantial) | |
| earnest(heavy, substantial) | |
| fat(heavy, substantial) | |
| fleshy(heavy, substantial) | |
| forcible(heavy, substantial) | |
| grave(heavy, substantial) | |
| heavy | |
| hefty(heavy, substantial) | |
| life and death(expression, idiom, heavy, substantial) | |
| massive(heavy, substantial) |
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| APA | Smart Define. (2015). big deal thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/big_deal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "big deal thesaurus" https://smartdefine.org/big_deal/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, big deal thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/big_deal/thesaurus/synonyms>. |
| MLA | Smart Define. "big deal thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/big_deal/thesaurus/synonyms> |