210 entries under determined topic. ×
| unqualified(adjective, complete, total, solid, certain) | |
| unshaken(adjective, set, clear, solid, cold) | |
| concentrated(adjective, set, strong, hard, solid) | |
| indefatigable(adjective, strong, tough, fit, solid) | |
| purposeful(adjective, strong, tough, serious) | |
| strong-minded(adjective, certain, significant, resolution) | |
| unswayable(adjective, resolute, rigid, obstinate) | |
| bent(adjective, set, intense, certain, deliberate) | |
| bound(adjective, set, strong, tough, intense) | |
| brave(adjective, clear, tough, severe) | |
| hanging tough(expression, adjective, mean, hard) | |
| mulish(adjective, mean, strong, hard, tough) | |
| standing pat(adjective, resolute, obstinate, uncompromising) | |
| unflagging(adjective, strong, tough, fit, solid) | |
| contrary(adjective, resolute, persistent, obstinate) | |
| headstrong(adjective, hard, tough, rough, harsh) | |
| hidebound(adjective, moderate, resolute, cautious) | |
| pat(adjective, solid, usual, steady) | |
| stated(adjective, characteristic, certain, usual) | |
| unmoved(adjective, calm, cold, indifferent) |
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| APA | Smart Define. (2016). firm thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/firm/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "firm thesaurus" https://smartdefine.org/firm/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, firm thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/firm/thesaurus/synonyms>. |
| MLA | Smart Define. "firm thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/firm/thesaurus/synonyms> |