162 entries under substantial topic. ×
| unrestricted(great, big, grand, huge) | |
| urgent(big, significant, valuable, vital) | |
| valuable(adjective, strong, great, big, important) | |
| vital(big, significant, valuable, imperative) | |
| affluent(adjective, heavy, rich, generous) | |
| aplenty(adjective, heavy, rich, generous) | |
| apparent(significant, definite, considerable) | |
| ascertainable(significant, definite, considerable) | |
| clear-cut(significant, definite, considerable) | |
| comfortable(open, significant, generous, extensive) | |
| critical(big, significant, valuable, vital) | |
| crucial(big, significant, valuable, vital) | |
| definite(significant, considerable) | |
| detectable(significant, considerable) | |
| dime a dozen(expression, adjective, idiom, heavy) | |
| discernible(significant, definite, considerable) | |
| distinguishable(significant, considerable) | |
| doozie | |
| dynamite(outstanding, significant, impressive, imposing) | |
| estimable(significant, definite, considerable) |
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| APA | Smart Define. (2016). large thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/large/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "large thesaurus" https://smartdefine.org/large/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, large thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/large/thesaurus/synonyms>. |
| MLA | Smart Define. "large thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/large/thesaurus/synonyms> |