- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
304 entries under adjective topic. ×
| relentless(appearance, strong, tough, firm) | |
| restive(determined, negative, hostile, fixed) | |
| set(persistent, strict, obstinate, stubborn) | |
| stiff-necked(tough, firm, stupid, unreasonable) | |
| tenacious(tough, firm, difficult, persistent) | |
| uncompliant(tough, firm, unreasonable, irritable) | |
| unregenerate(persistent, obstinate, insistent, dogged) | |
| unrelenting(appearance, strong, tough, firm) | |
| bloody-minded(persistent, obstinate, insistent, dogged) | |
| fixed(hard, tough, rough, firm) | |
| incompliant(tough, firm, difficult, unreasonable) | |
| lawless(control, order, resist, violent) | |
| merciless(appearance, hard, severe, rough) | |
| narrow-minded(persistent, obstinate, insistent, dogged) | |
| stern(appearance, terrible, persistent, obstinate) | |
| unchangeable(set, hard, stiff, rigid) | |
| balky(tough, firm, negative, hostile) | |
| grim(appearance, tough, firm, cruel) | |
| immutable(set, hard, severe, rough) | |
| impossible |
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| APA | Smart Define. (2015). intractable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/intractable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "intractable thesaurus" https://smartdefine.org/intractable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, intractable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/intractable/thesaurus/synonyms>. |
| MLA | Smart Define. "intractable thesaurus" 24 June 2015. Web. 24 September 2026. <https://smartdefine.org/intractable/thesaurus/synonyms> |