| heavy(big, substantial) | |
| hefty(big, heavy, substantial) | |
| household name | |
| icon | |
| important matter | |
| important person(noun, something) | |
| life and death(expression, idiom, big, heavy, substantial) | |
| major concern | |
| massive(big, heavy, substantial) | |
| material(big, heavy, substantial) | |
| matter of life and death | |
| meaningful(big, heavy, substantial) | |
| momentous(big, heavy, substantial) | |
| much ado about nothing | |
| no-nonsense(big, heavy, substantial) | |
| obese(big, heavy, substantial) | |
| overweight(big, heavy, substantial) | |
| ponderous(big, heavy, substantial) | |
| porcine(big, heavy, substantial) | |
| portentous(big, heavy, substantial) |
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| APA | Smart Define. (2015). big deal thesaurus. Retrieved September 28, 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 28, 2026). |
| Harvard | Smart Define 2015, big deal thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/big_deal/thesaurus/synonyms>. |
| MLA | Smart Define. "big deal thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/big_deal/thesaurus/synonyms> |