138 entries under stiff topic. ×
| inflexible(adjective, strong, hard, secure, smooth) | |
| packed(adjective, close, set, strong, hard) | |
| rocky(adjective, set, strong, hard, firm) | |
| bulky(adjective, person, body, strong, big) | |
| husky(adjective, person, body, strong, hard) | |
| muscular(adjective, person, body, strong, sound) | |
| rocklike(adjective, hard, firm, compact) | |
| solidified(adjective, set, hard, tough, firm) | |
| well-made(adjective, strong, cool, great, sound) | |
| changeless(adjective, severe, firm, harsh, stable) | |
| compacted(adjective, set, strong, hard, firm) | |
| crowded(adjective, close, set, firm, heavy) | |
| deep(verb, adjective, set, sound, heavy) | |
| jelled(adjective, set, hard, tough, firm) | |
| stony(adjective, hard, firm, rigid) | |
| unbending(adjective, hard, firm, tense) | |
| unbreakable(adjective, strong, hard, tough, severe) | |
| adamantine(adjective, set, strong, hard, severe) | |
| callous(adjective, set, strong, hard, firm) | |
| congealed(adjective, set, hard, tough, firm) |
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| APA | Smart Define. (2016). solid thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/solid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, solid thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>. |
| MLA | Smart Define. "solid thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms> |