1. (a.) Of set purpose; self-determined; voluntary; as, willful murder.

2. (a.) Governed by the will without yielding to reason; obstinate; perverse; inflexible; stubborn; refractory; as, a willful man or horse.

advised aimed aimed at arbitrary autonomous balking balky bigoted bulldogged bulletheaded bullheaded calculated case-hardened conscious considered contemplated contumacious decided deliberate deliberated designed determined discretional discretionary disobedient dogged dogmatic elective envisaged envisioned factious fanatic free free will froward gratuitous hardheaded headstrong heady independent indisciplined insubordinate intended intentional intolerant intractable irresponsible knowing lawless licentious meant meditated mulish mutinous naughty nonconforming nonmandatory obstinate of design offered opinionated optional overzealous persevering pertinacious perverse pigheaded planned proffered projected proposed purposed purposeful purposive rampant recusant reinless resolved restive self-acting self-active self-determined self-determining self-willed set spontaneous stiff-necked strong-willed strongheaded stubborn studied sulky sullen teleological tenacious transgressive unaccountable unasked unbesought unbidden unbridled uncalled-for unchecked uncoerced uncompelled uncomplying uncontrolled uncooperative uncurbed undisciplined unduteous undutiful unforced ungoverned uninfluenced uninvited unpressured unprompted unregenerate unreined unrequested unrequired unrestrained unsolicited unsought violative voluntary volunteer wayward wildcat willing witting wrongheaded