pig·head·ed 
/ˈpɪgˌhɛdəd/ adjective
/ˈpɪgˌhɛdəd/ adjective [more pigheaded; most pigheaded] disapproving : refusing to do what other people want or to change your opinion or the way you do something : very stubborn
▪ He was too pigheaded to listen to my suggestion.
▪ He was too pigheaded to listen to my suggestion.
— pig·head·ed·ness noun [noncount]
