42 entries under solid topic. ×
| mighty(adjective, strong, sound, tough) | |
| muscular(adjective, strong, sound, tough) | |
| powerful(adjective, strong, sound, tough) | |
| robust(adjective, strong, sound, tough) | |
| secure(adjective, strong, sound, tough) | |
| sinewy(adjective, strong, sound, tough) | |
| sound(adjective, strong, tough, heavy) | |
| stable(adjective, strong, sound, tough) | |
| stalwart(adjective, strong, sound, tough) | |
| stark(adjective, strong, sound, tough) | |
| staunch(adjective, strong, sound, tough) | |
| steady(adjective, strong, sound, tough) | |
| stout(adjective, strong, sound, tough) | |
| strapping(adjective, strong, sound, tough) | |
| substantial(adjective, strong, sound, tough) | |
| tenacious(adjective, strong, sound, tough) | |
| unyielding(adjective, strong, sound, tough) | |
| vigorous(adjective, strong, sound, tough) | |
| well-built(adjective, strong, sound, tough) | |
| well-founded(adjective, strong, sound, tough) |
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| APA | Smart Define. (2015). reinforced thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/reinforced/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "reinforced thesaurus" https://smartdefine.org/reinforced/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, reinforced thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/reinforced/thesaurus/synonyms>. |
| MLA | Smart Define. "reinforced thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/reinforced/thesaurus/synonyms> |