112 entries under significant topic. ×
| sizeable(adjective, substantial, large) | |
| notable(adjective, importance, important, famous) | |
| outstanding(adjective, importance, important, famous) | |
| stout(adjective, person, body, strong, sound) | |
| bountiful(adjective, good, kind, reasonable, easy) | |
| goodly(adjective, great, substantial, large) | |
| essential(adjective, importance, important, substantial) | |
| ponderous(adjective, great, heavy, substantial) | |
| lavish(adjective, good, kind, complete, reasonable) | |
| main(adjective, important, vital, principal) | |
| tidy(adjective, great, informal, substantial) | |
| good(adjective, kind, reasonable, easy, gentle) | |
| prominent(adjective, good, important, famous) | |
| relevant(adjective, importance, substantial, large) | |
| eminent(adjective, good, great, important, famous) | |
| powerful(adjective, good, person, body, strong) | |
| principal(adjective, important, substantial, large) | |
| sturdy(adjective, person, body, strong, sound) | |
| heavyweight(adjective, great, informal, heavy, important) | |
| large-scale(adjective, substantial, large, grand) |
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| APA | Smart Define. (2016). big thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/big/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "big thesaurus" https://smartdefine.org/big/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, big thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/big/thesaurus/synonyms>. |
| MLA | Smart Define. "big thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/big/thesaurus/synonyms> |