ob·du·rate 
/ˈɑ:bdərət, Brit ˈɒbdjərət/ adjective
/ˈɑ:bdərət, Brit ˈɒbdjərət/ adjective [more obdurate; most obdurate] formal : refusing to do what other people want : not willing to change your opinion or the way you do something : stubborn
▪ He is known for his obdurate determination. ▪ Officials at the hospital were obdurate. [=adamant] The patient could have no visitors.
▪ He is known for his obdurate determination. ▪ Officials at the hospital were obdurate. [=adamant] The patient could have no visitors.
— ob·du·ra·cy /ˈɑ:bdərəsi, Brit ˈɒbdjərəsi/ noun [noncount]
▪ Her obduracy angered them.
/ˈɑ:bdərəsi, Brit ˈɒbdjərəsi/ noun [noncount] ▪ Her obduracy angered them.
— ob·du·rate·ly adverb
