338 entries under adjective topic. ×

3
hard-shell(determined, persistent, impulsive, obstinate)
3
hearty
3
iron(persistent, obstinate, insistent, dogged)
3
petulant(cross, irritable, restless, obstinate)
3
problem(tough, problematic, trying)
3
set(hard, tough, firm, solid)
3
single-minded(tough, firm, persistent, obstinate)
3
stony(hard, firm, solid, stiff)
3
strong-willed
3
turbulent(rebellious, unmanageable)
3
unaccommodating(tough, grim, demanding, problematic)
3
unregenerate(persistent, obstinate, insistent, dogged)
3
violent(mean, hard, rough, harsh)
2
argumentative(tough, grim, problematic, trying)
2
at odds
2
averse(difficult, awkward, forced, disinclined)
2
bad
2
contrarious
2
cranky
2
cross-grained
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APASmart Define. (2015). refractory thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/refractory/thesaurus/synonyms
ChicagoSmart Define. 2015. "refractory thesaurus" https://smartdefine.org/refractory/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, refractory thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/refractory/thesaurus/synonyms>.
MLASmart Define. "refractory thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/refractory/thesaurus/synonyms>