275 entries under solid topic. ×
| crowded(adjective, close, set, heavy) | |
| entrenched(adjective, determined, usual, regular) | |
| even(adjective, calm, strong, secure) | |
| fine-grained(adjective, hard, rigid, inflexible) | |
| frozen(adjective, calm, quiet, hard) | |
| gelatinous(adjective, set, heavy, deep) | |
| imperturbable(adjective, stable, fixed, sturdy) | |
| impliable(adjective, hard, stiff, rigid) | |
| in the bag(expression, adjective, idiom, clear, strong) | |
| intact(complete, vigorous, sturdy) | |
| liege(adjective, continue, honest, pure) | |
| meaningful(adjective, strong, severe, important) | |
| on ice(expression, adjective, clear, strong, easy) | |
| ossified(adjective, set, hard, heavy) | |
| predictable(good, strong, steady, consistent) | |
| thickened(adjective, set, hard, heavy) | |
| unaffected(adjective, honest, physical, material) | |
| unflappable(adjective, dull, set, usual) | |
| uniform(adjective, calm, strong, secure) | |
| wholehearted(adjective, complete, total, certain) |
For more, visit
Firm on
Power Thesaurus
| APA | Smart Define. (2016). firm thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/firm/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "firm thesaurus" https://smartdefine.org/firm/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, firm thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/firm/thesaurus/synonyms>. |
| MLA | Smart Define. "firm thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/firm/thesaurus/synonyms> |