209 entries under strong topic. ×
| broad(adjective, hard, big, heavy) | |
| callous(adjective, set, hard, firm) | |
| definite(adjective, good, correct, easy) | |
| hale(adjective, sound, complete, tough) | |
| invariable(adjective, calm, smooth, severe) | |
| resolute(adjective, calm, secure, tough) | |
| rooted(adjective, hard, secure, steady) | |
| serious(adjective, big, pure, important) | |
| strapping(adjective, person, body, sound) | |
| stubborn(adjective, secure, tough, firm) | |
| true-blue(good, open, honest, steady) | |
| unfailing(adjective, good, open, sensible) | |
| unvarying(adjective, calm, firm, fast) | |
| able-bodied(adjective, person, body, sound) | |
| absolute(adjective, physical, material, certain) | |
| athletic(adjective, person, body, sound) | |
| determined(adjective, severe, certain, definite) | |
| enduring(adjective, calm, sound, tough) | |
| fastened(adjective, substantial, stable, sure) | |
| hardened(adjective, set, hard, tough) |
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| APA | Smart Define. (2016). solid thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/solid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, solid thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>. |
| MLA | Smart Define. "solid thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms> |