Synonyms of the word

wilful

• adj. intentional; deliberate.
• adj. stubborn and determined.

disobedient

• adj. Not obedient.

froward

• adj. (archaic, literary) Disobedient, contrary, unmanageable; difficult to deal with; with an evil disposition.
• prep. (obsolete) Away from.

headstrong

• adj. Determined to do as one pleases, and not as others want.

intentional

• adj. Intended or planned; done deliberately or voluntarily.
• adj. (law) Done with intent.

self-willed

• adj. Obstinate; strong-minded.
• adj. Possessing self-will.

voluntary

• adj. Done, given, or acting of one's own free will.
• adj. Done by design or intention; intentional.
• adj. Working or done without payment.
• adj. Endowed with the power of willing.
• adj. Of or relating to voluntarism.
• adv. (obsolete) Voluntarily.
• n. (music) A short piece of music, often having improvisation, played on a solo instrument.
• n. A volunteer.

willful

• adj. Intentional.
• adj. Stubborn.