- Definitions|2
- Thesaurus|5k
- Abbreviations|0
135 entries under strong topic. ×
| mighty(adjective, sound, tough, fit) | |
| muscular(adjective, sound, tough, fit) | |
| packed(adjective, close, great, solid) | |
| puissant | |
| rock(adjective, hard, compact, tight) | |
| safe(adjective, calm, complete, secure) | |
| unwavering(adjective, calm, secure, firm) | |
| well-made(adjective, sound, tough, solid) | |
| abiding(adjective, calm, secure, tough) | |
| anchored(calm, solid, steady, even) | |
| booming(adjective, great, big, rich) | |
| brick-wall(adjective, calm, secure, firm) | |
| calm(adjective, quiet, light, secure) | |
| capable(adjective, sound, tough, fit) | |
| deep-rooted(calm, solid, steady, even) | |
| energetic(adjective, sound, tough, solid) | |
| equable(adjective, calm, secure, firm) | |
| even(adjective, calm, secure, firm) | |
| fixed resistant(expression, calm, solid, steady) | |
| flourishing(fit, solid, healthy, rich) |
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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> |