" headstrong "

1: given to resisting control or discipline by others;

  * e.g., " ... a headstrong child who likes to test the limits of his parents' patience "

•  Synonyms : 

•  froward,

•  incontrollable,

•  intractable,

•  recalcitrant,

•  refractory,

•  uncontrollable,

•  ungovernable,

•  unmanageable,

•  unruly,

•  untoward,

•  wayward,

•  willful

•  Antonyms : 

•  controllable,

•  governable,

•  manageable,

•  tractable

2: sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion;

  * e.g., " ... the tenants of the building remain headstrong in their determination not to be evicted by the developer "

•  Synonyms : 

•  adamant,

•  adamantine,

•  bullheaded,

•  dogged,

•  hard,

•  hard-nosed,

•  hardened,

•  hardheaded,

•  immovable,

•  implacable,

•  inconvincible,

•  inflexible,

•  intransigent,

•  mulish,

•  obdurate,

•  obstinate,

•  opinionated,

•  ossified,

•  pat,

•  pertinacious,

•  perverse,

•  pigheaded,

•  self-opinionated,

•  self-willed,

•  stiff-necked,

•  stubborn,

•  unbending,

•  uncompromising,

•  unrelenting,

•  unyielding,

•  willful

•  Antonyms : 

•  acquiescent,

•  agreeable,

•  amenable,

•  compliant,

•  complying,

•  flexible,

•  pliable,

•  pliant,

•  relenting,

•  yielding