139 entries under stubborn topic. ×
| unflagging(adjective, strong, tough, fit, solid) | |
| bold(adjective, strong, vigorous, noble, resolute) | |
| grim(adjective, strong, hard, tough, severe) | |
| harsh(adjective, mean, strong, hard, tough) | |
| headstrong(adjective, hard, tough, rough, harsh) | |
| recalcitrant(adjective, tough, persistent, obstinate) | |
| contumacious(adjective, tough, persistent, obstinate) | |
| hardened(adjective, set, strong, hard, tough) | |
| incompliant(adjective, tough, solid, determined, stiff) | |
| insubordinate(adjective, tough, persistent, obstinate) | |
| serious(adjective, strong, hard, tough, severe) | |
| stiff-necked(adjective, mean, strong, hard, tough) | |
| uncompliant(adjective, tough, determined, resolute) | |
| unmanageable(adjective, tough, persistent, obstinate) | |
| bullheaded(adjective, strong, hard, tough, determined) | |
| dead set on(expression, adjective, idiom, secure, solid) | |
| pigheaded(adjective, mean, hard, tough, determined) | |
| uncooperative(adjective, mean, hard, persistent, obstinate) | |
| unsympathetic(adjective, mean, hard, severe, harsh) | |
| cantankerous(adjective, tough, persistent, obstinate) |
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| APA | Smart Define. (2016). firm thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/firm/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "firm thesaurus" https://smartdefine.org/firm/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, firm thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/firm/thesaurus/synonyms>. |
| MLA | Smart Define. "firm thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/firm/thesaurus/synonyms> |