Another word for pigheaded

MLA Style
"pigheaded." YourDictionary, n.d. Web. 15 January 2019. <https://thesaurus.yourdictionary.com/pigheaded>.
APA Style
pigheaded. (n.d.). Retrieved January 15th, 2019, from https://thesaurus.yourdictionary.com/pigheaded
Another word for pigheaded

Tenaciously unwilling to yield:
bullheaded, dogged, hardheaded, headstrong, mulish, obstinate, pertinacious, perverse, stiff-necked, tenacious, willful. See resist
MLA Style
"pigheaded." YourDictionary, n.d. Web. 15 January 2019. <https://thesaurus.yourdictionary.com/pigheaded>.
APA Style
pigheaded. (n.d.). Retrieved January 15th, 2019, from https://thesaurus.yourdictionary.com/pigheaded