304 entries under adjective topic. ×

2
thorny(difficulty, problematic)
2
traitorous
2
treacherous
2
unadaptable(set, hard, stiff, rigid)
2
unflexible(tough, firm, fixed, distant)
2
unmoved(determined, fixed, stubborn)
2
unmoving
2
untamed
1
aloof(tough, firm, fixed, rigid)
1
anal-retentive(persistent, obstinate, insistent, dogged)
1
astute(hard, tough, sharp, sensible)
1
close-minded
1
confirmed(persistent, obstinate, insistent, dogged)
1
conventional
1
crisp(tough, firm, fixed, distant)
1
cross-grained
1
decided
1
delinquent
1
disobeying
1
distant(tough, firm, fixed, rigid)
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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>