- Definitions|2
- Thesaurus|5k
- Abbreviations|0
575 entries under adjective topic. ×
| strong(calm, good, strong, hard) | |
| firm(noun, calm, close, strong) | |
| sound(noun, calm, strong, hard) | |
| persistent(strain, firmness, labour, hardiness) | |
| stable(strong, hard, sound, complete) | |
| solid(calm, good, close, strong) | |
| stout(calm, strong, sound, secure) | |
| hard(tough, strain, difficult, solid) | |
| stiff(strain, firmness, labour, hardiness) | |
| significant(strong, importance, big, heavy) | |
| consistent(strain, firmness, labour, hardiness) | |
| unfluctuating(calm, strong, secure, strain) | |
| considerable(great, reasonable, fair, importance) | |
| big(strong, great, sound, tough) | |
| durable(calm, strong, sound, secure) | |
| material(noun, body, hard, solid) | |
| abundant(give, great, strain, big) | |
| ample(give, great, reasonable, fair) | |
| steady(calm, strong, sound, secure) | |
| large(great, fair, big, important) |
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| APA | Smart Define. (2016). substantial thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/substantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, substantial thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/substantial/thesaurus/synonyms>. |
| MLA | Smart Define. "substantial thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/substantial/thesaurus/synonyms> |