338 entries under adjective topic. ×

7
pigheaded(tough, firm, difficult, determined)
7
uncompliant(tough, firm, stubborn, disobedience)
7
undisciplined(control, order, difficult, resist)
7
wild(control, order, tough, difficult)
6
dogged(tough, firm, determined, unreasonable)
6
immovable(tough, firm, difficult, determined)
6
incompliant(hard, tough, firm, difficult)
6
indocile(control, order, tough, difficult)
6
resolute(tough, firm, difficult, obstinate)
6
tough(hard, rough, firm, grim)
6
uncompromising(tough, firm, difficult, violent)
6
unwilling(mood, obstinate, averse, disinclined)
5
cantankerous(tough, firm, difficult, wild)
5
insurgent(persistent, obstinate, insistent, dogged)
5
intransigent(tough, firm, determined, stubborn)
5
resolved(determined, fixed, persistent, obstinate)
5
unbending(hard, tough, rough, firm)
5
unsubmissive
4
bloody-minded(persistent, obstinate, insistent, dogged)
4
bullheaded(tough, firm, difficult, determined)
11 years ago|12k views|share |citing 
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>