1. Tenaciously unwilling or marked by tenacious unwillingness to yield
   - stubborn, unregenerate 
2. Stubbornly persistent in wrongdoing
   - cussed, obdurate, unrepentant 
3. Resistant to guidance or discipline
   "an obstinate child with a violent temper"
   - contrary, perverse, wayward

1. Persist stubbornly
   "he obstinates himself against all rational arguments"

Derived forms: obstinates, obstinating, obstinated

See also: bloody-minded [Brit], bolshie [Brit], bolshy [Brit], bullet-headed, bullheaded, cantankerous, contrarious, cross-grained, determined, disobedient, dogged, dour, hardheaded, inflexible, intractable, mulish, obstinance, persistent, pertinacious, pigheaded, stiff-necked, strong-minded, strong-willed, stroppy [Brit], sturdy, tenacious, uncompromising, unregenerate, unregenerated, unyielding

Type of: hang in, hang on, hold on, persevere, persist

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