- Definitions|2
- Thesaurus|950
- Abbreviations|0
335 entries under adjective topic. ×
| persevering(tough, firm, unreasonable, grim) | |
| set | |
| unbending(hard, tough, rough, harsh) | |
| undisciplined(tough, violent, wild, awkward) | |
| unmanageable(tough, firm, obstinate, stubborn) | |
| unrelenting(strong, tough, firm, cold) | |
| adamantine(determined, resolute, uncompromising, unshakeable) | |
| firm(hard, tough, rough, harsh) | |
| inexorable(tough, firm, determined, resolute) | |
| insubordinate(tough, firm, negative, hostile) | |
| mutinous | |
| persistent(tough, firm, determined, unreasonable) | |
| rebellious(tough, firm, negative, hostile) | |
| rigid(tough, firm, unreasonable, inflexible) | |
| steadfast(tough, firm, determined, unreasonable) | |
| stern(hard, tough, rough, harsh) | |
| uncooperative(tough, difficult, wild, awkward) | |
| defiant | |
| foolhardy(careless, bold, impulsive, rash) | |
| relentless(strong, tough, cold, determined) |
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| APA | Smart Define. (2015). headstrong thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/headstrong/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "headstrong thesaurus" https://smartdefine.org/headstrong/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, headstrong thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/headstrong/thesaurus/synonyms>. |
| MLA | Smart Define. "headstrong thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/headstrong/thesaurus/synonyms> |