164 entries under substantial topic. ×
| large(adjective, adverb, feature, characteristic, person) | |
| huge(adjective, feature, characteristic, person, body) | |
| heavy(adjective, feature, characteristic, person, body) | |
| massive(adjective, person, body, great, heavy) | |
| great(adjective, reproduction, person, body, importance) | |
| mighty(adjective, feature, characteristic, person, body) | |
| strong(adjective, feature, characteristic, person, body) | |
| considerable(adjective, great, importance, heavy, important) | |
| bulky(adjective, person, body, strong, great) | |
| ample(adjective, great, heavy, awkward) | |
| extensive(adjective, great, significant, large) | |
| spacious(adjective, open, great, large) | |
| significant(adjective, good, importance, heavy, important) | |
| important(adjective, good, importance, heavy, important) | |
| voluminous(large, adjective, great, size) | |
| momentous(adjective, good, importance, heavy, important) | |
| weighty(adjective, good, solid, importance, heavy) | |
| generous(adjective, good, give, understanding, kind) | |
| major(adjective, good, important, significant) | |
| material(adjective, good, importance, heavy, important) |
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| APA | Smart Define. (2016). big thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/big/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "big thesaurus" https://smartdefine.org/big/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, big thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/big/thesaurus/synonyms>. |
| MLA | Smart Define. "big thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/big/thesaurus/synonyms> |