151 entries under stable topic. ×
| definite(adjective, good, clear, strong, complete) | |
| unchanging(adjective, close, correct, moderate, severe) | |
| devoted(adjective, good, close, strong, correct) | |
| iron(noun, adjective, mean, strong, hard) | |
| positive(adjective, good, clear, strong, complete) | |
| unchangeable(adjective, calm, strong, secure, moderate) | |
| rooted(adjective, strong, hard, secure, property) | |
| dependable(adjective, good, close, strong, tough) | |
| taut(adjective, strong, hard, secure, rough) | |
| abiding(adjective, calm, strong, complete, secure) | |
| decisive(adjective, good, set, clear, strong) | |
| changeless(adjective, solid, certain, limited) | |
| immobile(adjective, calm, quiet, strong, secure) | |
| immutable(adjective, calm, strong, hard, secure) | |
| set in stone(expression, adjective, idiom, calm, set) | |
| single-minded(adjective, tough, solid, intense, deliberate) | |
| unvarying(adjective, calm, strong, secure, solid) | |
| unqualified(adjective, complete, total, solid, certain) | |
| unshaken(adjective, set, clear, solid, cold) | |
| anchored(adjective, calm, strong, secure, solid) |
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| APA | Smart Define. (2016). firm thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/firm/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "firm thesaurus" https://smartdefine.org/firm/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, firm thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/firm/thesaurus/synonyms>. |
| MLA | Smart Define. "firm thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/firm/thesaurus/synonyms> |