- Definitions|2
- Thesaurus|5k
- Abbreviations|0
98 entries under calm topic. ×
| strong(adjective, good, strong, hard) | |
| firm(noun, adjective, close, strong) | |
| sound(noun, adjective, strong, hard) | |
| solid(adjective, good, close, strong) | |
| stout(adjective, strong, sound, secure) | |
| unfluctuating(adjective, strong, secure, strain) | |
| durable(adjective, strong, sound, secure) | |
| steady(adjective, strong, sound, secure) | |
| fast(adjective, strong, secure, tough) | |
| steadfast(adjective, strong, secure, strain) | |
| sturdy(adjective, strong, hard, sound) | |
| enduring(adjective, strong, sound, secure) | |
| constant(adjective, strong, secure, tough) | |
| stabile(adjective, strong, secure, strain) | |
| comfortable(adjective, quiet, light, smooth) | |
| tough(adjective, strong, hard, solid) | |
| well-built(adjective, strong, sound, secure) | |
| prosperous(adjective, characteristic, quiet, quality) | |
| reliable(adjective, strong, secure, tough) | |
| well-to-do(adjective, quiet, light, smooth) |
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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> |