pigheadedness n 1: resolute adherence to your own ideas or desires [syn: {stubbornness}, {bullheadedness}, {obstinacy}, {obstinance}, {pigheadedness}, {self-will}]
Pig-headed \Pig"-head`ed\, a. Having a head like a pig; hence, figuratively: stupidity obstinate; perverse; stubborn. --B. Jonson. -- {Pig"-head`ed*ness}, n. [1913 Webster]