125 entries under obstinate topic. ×
| tough nut(expression, sharp, practical, shrewd) | |
| undisciplined(difficult, awkward, stubborn, willful) | |
| unpliable(difficult, awkward, stubborn, willful) | |
| unreasonable(firm, grim, inflexible, stubborn) | |
| untoward(firm, unreasonable, grim, inflexible) |
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| APA | Smart Define. (2016). tough thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/tough/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, tough thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>. |
| MLA | Smart Define. "tough thesaurus" 30 March 2016. Web. 30 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms> |