obstinate obstinate /ˈɑːbstənət/

adjective

1. Resistant to guidance or discipline  ( contrary , obstinate , perverse , wayward )
   resistant to guidance or discipline
    Mary Mary quite contrary
   Mary Mary quite contrary
    An obstinate child with a violent temper
   an obstinate child with a violent temper
    A perverse mood
   a perverse mood
    Wayward behavior
   wayward behavior
   
2. Stubbornly persistent in wrongdoing  ( cussed , obstinate , unrepentant , obdurate , unrepenting )
   stubbornly persistent in wrongdoing
   
3. Tenaciously unwilling or marked by tenacious unwillingness to yield  ( obstinate , unregenerate , stubborn )
   tenaciously unwilling or marked by tenacious unwillingness to yield
     The stubborn child refused to eat their vegetables.
   The stubborn child refused to eat their vegetables.
   

verb

1. Persist stubbornly  ( obstinate )
   persist stubbornly
    He obstinates himself against all rational arguments
   he obstinates himself against all rational arguments