- Definitions|2
- Thesaurus|5k
- Abbreviations|0
575 entries under adjective topic. ×
| comfortable(calm, quiet, light, smooth) | |
| constitutive(importance, valuable, main, notable) | |
| grave(importance, valuable, main, notable) | |
| huge(great, big, heavy, important) | |
| tough(calm, strong, hard, solid) | |
| valuable(great, big, important, significant) | |
| appreciable(reasonable, significant, large, adequate) | |
| big-league(importance, valuable, main, notable) | |
| bodily(physical, material, human, actual) | |
| heavy(give, strong, hard, great) | |
| historic(importance, important, main, extremely significant) | |
| outstanding(importance, valuable, main, notable) | |
| palpable(physical, material, significant, considerable) | |
| portentous(importance, valuable, main, notable) | |
| responsible(importance, valuable, main, notable) | |
| satisfying(good, great, full, useful) | |
| sensible(good, body, reasonable, firm) | |
| true(good, sound, right, reasonable) | |
| vast(great, big, important, significant) | |
| well-built(calm, strong, sound, secure) |
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| APA | Smart Define. (2016). substantial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/substantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, substantial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/substantial/thesaurus/synonyms>. |
| MLA | Smart Define. "substantial thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/substantial/thesaurus/synonyms> |