66 entries under substantial topic. ×
| abundant(adjective, great, big, significant) | |
| bountiful(significant, large) | |
| consequential(adjective, significant, large, considerable) | |
| material(adjective, significant, large, considerable) | |
| presentable(adjective, decent, acceptable, neat) | |
| capacious(great, big, generous, huge) | |
| comprehensive(great, big, generous, huge) | |
| fairly good(expression, adjective, reasonable, decent) | |
| massive(great, big, significant, large) | |
| meaningful(significant, large, considerable) | |
| momentous(significant, large, considerable) | |
| noticeable(adjective, significant, large) | |
| plentiful(great, big, significant, large) | |
| reasonable(significant, large, adequate) | |
| sensible(reasonable, generous, adequate, good-sized) | |
| spacious(great, big, generous, huge) | |
| voluminous(great, big, generous, huge) | |
| weighty(significant, large, considerable) | |
| astronomical(significant, large) | |
| comfortable(significant, large, generous, good-sized) |
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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> |