210 entries under determined topic. ×
| true(adjective, good, close, clear, strong) | |
| unchangeable(adjective, calm, strong, secure, moderate) | |
| explicit(adjective, clear, complete, total, plain) | |
| hard-nosed(adjective, mean, clear, strong, hard) | |
| inelastic(adjective, hard, tough, solid) | |
| severe(adjective, clear, strong, hard, tough) | |
| stalwart(adjective, calm, strong, sound, tough) | |
| steely(adjective, strong, hard, tough, solid) | |
| abiding(adjective, calm, strong, complete, secure) | |
| decisive(adjective, good, set, clear, strong) | |
| exact(adjective, close, correct, severe, plain) | |
| pertinacious(adjective, strong, tough, steady) | |
| set in stone(expression, adjective, idiom, calm, set) | |
| single-minded(adjective, tough, solid, intense, deliberate) | |
| strong-willed(adjective, strong, tough, intense, deliberate) | |
| tireless(adjective, strong, steady, resolute) | |
| undeviating(adjective, solid, intense, certain, deliberate) | |
| dedicated(adjective, set, clear, strong, tough) | |
| earnest(adjective, strong, severe, harsh, important) | |
| indomitable(adjective, strong, hard, tough) |
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| APA | Smart Define. (2016). firm thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/firm/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "firm thesaurus" https://smartdefine.org/firm/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, firm thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/firm/thesaurus/synonyms>. |
| MLA | Smart Define. "firm thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/firm/thesaurus/synonyms> |