37 entries under willful topic. ×

45
stubborn(adjective, obstinate, characteristic, quality, stubbornness)
28
obstinate(adjective, control, order, strong, hard)
28
unmanageable(adjective, control, order, hard, tough)
26
inflexible(adjective, strong, hard, tough, rough)
25
unruly(adjective, control, order, difficult, resist)
22
headstrong(adjective, strong, hard, tough, rough)
22
unyielding(adjective, appearance, hard, tough, rough)
14
dogged(adjective, appearance, tough, firm, terrible)
13
uncompromising(adjective, hard, tough, rough, firm)
12
difficult(adjective, tough, obstinate, stubborn, problematic)
12
mulish(adjective, tough, firm, difficult, indifferent)
12
unbending(adjective, hard, tough, rough, firm)
11
determined(adjective, deliberate, fixed, resolute, persistent)
11
pigheaded(adjective, tough, firm, deliberate, determined)
9
uncooperative(adjective, difficult, persistent, inflexible, obstinate)
8
pertinacious(adjective, strong, tough, firm, difficult)
7
inexorable(adjective, appearance, tough, firm, violent)
7
resolute(adjective, appearance, hard, tough, rough)
6
relentless(adjective, appearance, strong, tough, firm)
5
fixed(adjective, hard, tough, rough, firm)
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APASmart Define. (2015). intractable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/intractable/thesaurus/synonyms
ChicagoSmart Define. 2015. "intractable thesaurus" https://smartdefine.org/intractable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, intractable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/intractable/thesaurus/synonyms>.
MLASmart Define. "intractable thesaurus" 24 June 2015. Web. 23 September 2026. <https://smartdefine.org/intractable/thesaurus/synonyms>