Synonyms of self-willed

1 Syllable
wild, tough, pat, mule
2 Syllables
willful, stubborn, headstrong, mulish, awkward, tough-nut, hard-line, wayward
3 Syllables
hardline, unyielding, uncompliant, unhearing, contrary, unbending, bullheaded, pigheaded, incompliant, tenacious, unruly, unpliable, perverse
4 Syllables
intractable, immovable, obdurate, incurable, resolute, cantankerous, obstinate, unbendable, pertinacious, insoluble, indocile, refractory, recalcitrant
5 Syllables
uncompromising, ungovernable, unmanageable, indomitable, undisciplined
6 Syllables
uncooperative, opinionative