Synonyms of pigheaded

1 Syllable
set, mule
2 Syllables
well-set, willful, stubborn, seton, headstrong, mulish, dense, stupid, forward, tough-nut, dogged
3 Syllables
hardline, uncompliant, unyielding, insistent, stiff-necked, unhearing, contrary, wrong-headed, hard-nosed, strong-minded, hardheaded, bullheaded, dogmatic, unpliable, self-willed, perverse
4 Syllables
intractable, unfaltering, doctrinaire, close-minded, closed-minded, obstinate, inflexible, unbendable, recalcitrant
5 Syllables
uncompromising, adamantine, opinionated, unpersuadable
6 Syllables
opinionative, perseverative