stubborn

1. Tenaciously unwilling or marked by tenacious unwillingness to yield (synset 302334687)
   also:

   • inflexible, sturdy, uncompromising - not making concessions
   • disobedient - not obeying or complying with commands of those in authority
   • intractable - not tractable; difficult to manage or mold
   similar to:

   • bloody-minded, cantankerous - stubbornly obstructive and unwilling to cooperate
   • bolshy, stroppy - obstreperous
   • bullet-headed, bullheaded, pigheaded - obstinate and stupid
   • dogged, dour, persistent, pertinacious, tenacious, unyielding - stubbornly unyielding
   • contrarious, cross-grained - difficult to deal with
   • determined - devoting full strength and concentrated attention to
   • hardheaded, mulish - unreasonably rigid in the face of argument or entreaty or attack
   • stiff-necked - haughtily stubborn
   • strong-minded, strong-willed - having a determined will
   same as: obstinate, unregenerate
2. Not responding to treatment (synset 302461635)
   "a stubborn infection"; "a refractory case of acne"; "stubborn rust stains"
   similar to: intractable - not tractable; difficult to manage or mold
   same as: refractory

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