138 entries under stiff topic. ×
| definite(adjective, good, strong, correct, easy) | |
| frozen(adjective, hard, firm, tense) | |
| invariable(adjective, calm, strong, smooth, severe) | |
| opaque(adjective, set, heavy, deep) | |
| resolute(adjective, calm, strong, secure, tough) | |
| steely(adjective, hard, firm, tense) | |
| strapping(adjective, person, body, strong, sound) | |
| unchanging(adjective, severe, firm, harsh, certain) | |
| athletic(adjective, person, body, strong, sound) | |
| clotted(adjective, set, heavy, deep) | |
| coagulated(adjective, set, heavy, deep) | |
| determined(adjective, strong, severe, certain, definite) | |
| enduring(adjective, calm, strong, sound, tough) | |
| exact(adjective, correct, severe, honest, harsh) | |
| hardened(adjective, set, strong, hard, tough) | |
| inelastic(adjective, hard, tough, severe, firm) | |
| jellied(adjective, set, heavy, deep) | |
| severe(adjective, correct, harsh, exact, proper) | |
| brittle(adjective, hard, firm, tense) | |
| gelatinous(adjective, set, heavy, deep) |
For more, visit
Solid on
Power Thesaurus
| 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> |