66 entries under substantial topic. ×
| goodly(adjective, great, reasonable, big, beauty) | |
| respectable(adjective, good, great, right, reasonable) | |
| considerable(adjective, great, reasonable, big) | |
| large(adjective, great, big, significant) | |
| sizeable(adjective, significant, large) | |
| ample(adjective, great, reasonable, quantity) | |
| fair(adjective, good, reasonable, decent) | |
| sizable(adjective, great, reasonable, big) | |
| good(adjective, correct, fair, big) | |
| big(adjective, great, big, significant) | |
| tolerable(adjective, good, significant, large) | |
| generous(adjective, great, big, significant) | |
| decent(adjective, good, great, right, fine) | |
| great(adjective, big, significant, large) | |
| hefty(adjective, great, big, significant) | |
| significant(adjective, large, considerable) | |
| large-scale(adjective, big, significant, large) | |
| appreciable(adjective, reasonable, significant, large) | |
| extensive(adjective, great, big, significant) | |
| major(adjective, significant, large, generous) |
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| APA | Smart Define. (2015). tidy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/tidy/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tidy thesaurus" https://smartdefine.org/tidy/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, tidy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tidy/thesaurus/synonyms>. |
| MLA | Smart Define. "tidy thesaurus" 11 November 2015. Web. 25 September 2026. <https://smartdefine.org/tidy/thesaurus/synonyms> |