338 entries under adjective topic. ×
| pigheaded(tough, firm, difficult, determined) | |
| uncompliant(tough, firm, stubborn, disobedience) | |
| undisciplined(control, order, difficult, resist) | |
| wild(control, order, tough, difficult) | |
| dogged(tough, firm, determined, unreasonable) | |
| immovable(tough, firm, difficult, determined) | |
| incompliant(hard, tough, firm, difficult) | |
| indocile(control, order, tough, difficult) | |
| resolute(tough, firm, difficult, obstinate) | |
| tough(hard, rough, firm, grim) | |
| uncompromising(tough, firm, difficult, violent) | |
| unwilling(mood, obstinate, averse, disinclined) | |
| cantankerous(tough, firm, difficult, wild) | |
| insurgent(persistent, obstinate, insistent, dogged) | |
| intransigent(tough, firm, determined, stubborn) | |
| resolved(determined, fixed, persistent, obstinate) | |
| unbending(hard, tough, rough, firm) | |
| unsubmissive | |
| bloody-minded(persistent, obstinate, insistent, dogged) | |
| bullheaded(tough, firm, difficult, determined) |
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| APA | Smart Define. (2015). refractory thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/refractory/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "refractory thesaurus" https://smartdefine.org/refractory/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, refractory thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/refractory/thesaurus/synonyms>. |
| MLA | Smart Define. "refractory thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/refractory/thesaurus/synonyms> |