67 entries under tough topic. ×

6
determined(adjective, strong, firm, deliberate)
6
inflexible(adjective, firm, determined, resolute)
6
insubordinate(adjective, firm, unreasonable, grim)
6
uncompromising(adjective, firm, determined, resolute)
6
unruly(adjective, difficult, violent, wild)
5
tenacious(adjective, firm, difficult, resist)
4
balky(firm, unreasonable, grim, inflexible)
4
persistent(adjective, firm, determined, unreasonable)
4
rebellious(adjective, firm, unreasonable, grim)
4
recalcitrant(adjective, firm, difficult, stupid)
4
unbending(adjective, firm, determined, resolute)
4
unmanageable(firm, difficult, awkward, unreasonable)
3
contrary(adjective, difficult, wild, determined)
3
incompliant(adjective, firm, difficult, awkward)
2
indomitable(adjective, strong, difficult, determined)
2
inexorable(adjective, firm, determined, resolute)
2
ornery(adjective, firm, passionate, violent)
2
persevering(firm, unreasonable, grim, inflexible)
2
relentless(adjective, firm, determined, resolute)
2
rigid(firm, inflexible, obstinate, stubborn)
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APASmart Define. (2015). willful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/willful/thesaurus/synonyms
ChicagoSmart Define. 2015. "willful thesaurus" https://smartdefine.org/willful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, willful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/willful/thesaurus/synonyms>.
MLASmart Define. "willful thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/willful/thesaurus/synonyms>