34 entries under tough topic. ×

1
incurable(difficult, wild, awkward, obstinate)
1
insoluble(difficult, wild, awkward, obstinate)
1
locked in(expression, difficult, wild, awkward)
1
mulish(difficult, awkward, obstinate, stubborn)
1
obdurate(difficult, violent, wild, obstinate)
1
pat(difficult, wild, awkward, obstinate)
1
pertinacious(difficult, awkward, obstinate, stubborn)
1
resolute(difficult, obstinate, stubborn, willful)
1
tenacious(difficult, wild, awkward, obstinate)
1
unbending(difficult, obstinate, stubborn, willful)
1
uncompromising(difficult, obstinate, stubborn, willful)
1
unpliable(difficult, unpleasant, wild, awkward)
1
unyielding(difficult, unpleasant, adverse, unfortunate)
0
pigheaded(difficult, awkward, obstinate, stubborn)
<12>
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APASmart Define. (2015). undisciplined thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/undisciplined/thesaurus/synonyms
ChicagoSmart Define. 2015. "undisciplined thesaurus" https://smartdefine.org/undisciplined/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, undisciplined thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/undisciplined/thesaurus/synonyms>.
MLASmart Define. "undisciplined thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/undisciplined/thesaurus/synonyms>