- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
304 entries under adjective topic. ×
| locked(difficult, obstinate, stubborn, willful) | |
| locked in(expression, tough, firm, difficult) | |
| nonconforming(negative, hostile, different, adverse) | |
| obsessive(persistent, obstinate, insistent, dogged) | |
| pat(difficult, obstinate, stubborn, willful) | |
| prejudiced | |
| reserved(tough, firm, fixed, distant) | |
| restricted | |
| rigorous(hard, resolute, rigid, inflexible) | |
| seditious | |
| set in stone(expression, idiom, tough, firm) | |
| shrewd(hard, tough, sharp, sensible) | |
| solid | |
| standing pat(expression, tough, firm, distant) | |
| staunch(set, hard, stiff, resolute) | |
| stormy | |
| stouthearted(persistent, obstinate, insistent, dogged) | |
| stringent(set, hard, stiff, rigid) | |
| subversive | |
| tough nut(expression, sharp, difficult, practical) |
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| APA | Smart Define. (2015). intractable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/intractable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "intractable thesaurus" https://smartdefine.org/intractable/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, intractable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/intractable/thesaurus/synonyms>. |
| MLA | Smart Define. "intractable thesaurus" 24 June 2015. Web. 25 September 2026. <https://smartdefine.org/intractable/thesaurus/synonyms> |