- Definitions|2
- Thesaurus|5k
- Abbreviations|0
202 entries under solid topic. ×
| dependable(adjective, strong, tough, firm) | |
| genuine(adjective, good, sound, right, reasonable) | |
| healthy(adjective, strong, complete, tough, fit) | |
| lusty(adjective, strong, fit, determined) | |
| reliable(adjective, calm, strong, secure, tough) | |
| well(adjective, strong, complete, tough, easy) | |
| dense(adjective, set, strong, hard, tough) | |
| secure(adjective, calm, quiet, strong, hard) | |
| stalwart(adjective, calm, strong, sound, secure) | |
| vigorous(adjective, strong, sound, complete, tough) | |
| factual(adjective, physical, material, certain) | |
| hardy(adjective, strong, sound, tough, fit) | |
| rugged(adjective, strong, sound, fit) | |
| sure(adjective, calm, strong, secure, continue) | |
| thick(adjective, close, set, strong, hard) | |
| well-founded(adjective, calm, good, strong, sound) | |
| burly(adjective, strong, hard, fit) | |
| close(adjective, set, strong, hard, tough) | |
| compact(adjective, close, set, strong, hard) | |
| effectual(adjective, complete, vigorous, sturdy) |
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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> |