266 entries under adjective topic. ×

6
uncompromising(tough, firm, determined, resolute)
6
unruly(tough, difficult, violent, wild)
6
volitional(free, deliberate, determined, natural)
6
willing(free, keen, enthusiastic, deliberate)
5
disobedient(defiant, mischievous)
5
free(deliberate, natural, willing, will)
5
heady(determined, fixed, stubborn, obstinacy)
5
naughty(bad, misbehaved)
5
optional(free, deliberate, natural, unreasonable)
5
purposive(deliberate, determined, careful, thoughtful)
5
spontaneous(free, deliberate, natural, willing)
5
tenacious(tough, firm, difficult, resist)
5
uncompelled(free, deliberate, natural, willing)
5
unrelenting(determined, resolute, uncompromising, unshakeable)
4
adamantine(determined, resolute, uncompromising, unshakeable)
4
discretional(free, deliberate, natural, witting)
4
hard(sharp, determined, resolute, stubborn)
4
persistent(tough, firm, determined, unreasonable)
4
rebellious(tough, firm, unreasonable, grim)
4
recalcitrant(tough, firm, difficult, stupid)
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APASmart Define. (2015). willful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/willful/thesaurus/synonyms
ChicagoSmart Define. 2015. "willful thesaurus" https://smartdefine.org/willful/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, willful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/willful/thesaurus/synonyms>.
MLASmart Define. "willful thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/willful/thesaurus/synonyms>