bullheadedness
noun /ˌbʊlˈhedɪdnəs/
/ˌbʊlˈhedɪdnəs/
[uncountable] (North American English)- the fact of being unwilling to change your opinion about something, in a way that other people think is annoying and unreasonable
synonym obstinacy, stubbornness固执的;死心眼儿的