304 entries under adjective topic. ×

9
uncooperative(difficult, persistent, inflexible, obstinate)
9
willful(tough, firm, difficult, violent)
8
disorderly(control, order, resist, violent)
8
indocile(control, order, difficult, unpleasant)
8
indomitable(difficult, violent, persistent, obstinate)
8
mutinous(persistent, obstinate, insistent, dogged)
8
pertinacious(strong, tough, firm, difficult)
8
stiff(hard, tough, rough, firm)
7
firm(tough, persistent, rigid, inflexible)
7
hidebound(persistent, obstinate, stubborn, unbending)
7
inexorable(appearance, tough, firm, violent)
7
resolute(appearance, hard, tough, rough)
7
severe(tough, persistent, reserved, obstinate)
7
stony
7
untoward(control, order, tough, firm)
7
wilful
6
cantankerous(tough, firm, difficult, persistent)
6
froward(determined, negative, hostile, persistent)
6
naughty(bad, misbehaved)
6
persistent(tough, firm, determined, obstinate)
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APASmart Define. (2015). intractable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/intractable/thesaurus/synonyms
ChicagoSmart Define. 2015. "intractable thesaurus" https://smartdefine.org/intractable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, intractable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/intractable/thesaurus/synonyms>.
MLASmart Define. "intractable thesaurus" 24 June 2015. Web. 24 September 2026. <https://smartdefine.org/intractable/thesaurus/synonyms>