164 entries under substantial topic. ×
| lavish(adjective, good, kind, complete, reasonable) | |
| roomy(adjective, open, great, large) | |
| tidy(adjective, great, informal, significant) | |
| chunky(adjective, heavy, awkward, round) | |
| commodious(adjective, open, great, large) | |
| corpulent(adjective, solid, heavy, awkward) | |
| wide(adjective, open, great, large) | |
| relevant(adjective, importance, significant, large) | |
| healthy(adjective, good, strong, tough, solid) | |
| portly(adjective, strong, solid, heavy) | |
| powerful(adjective, good, person, body, strong) | |
| principal(adjective, important, significant, large) | |
| sturdy(adjective, person, body, strong, sound) | |
| beefy(adjective, person, body, strong, heavy) | |
| heavyweight(adjective, great, informal, heavy, important) | |
| large-scale(adjective, significant, large, grand) | |
| muscular(adjective, person, body, strong, sound) | |
| overweight(adjective, solid, heavy, round) | |
| super(adjective, great, important, significant) | |
| comprehensive(adjective, great, large, grand) |
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| APA | Smart Define. (2016). big thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/big/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "big thesaurus" https://smartdefine.org/big/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, big thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/big/thesaurus/synonyms>. |
| MLA | Smart Define. "big thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/big/thesaurus/synonyms> |