120 entries under stubborn topic. ×

7
pigheaded(adjective, tough, firm, deliberate, usual)
7
serious(adjective, set, strong, severe, firm)
7
strict(adjective, strong, flat, harsh, certain)
6
bound(adjective, set, strong, tough, severe)
6
faithful(adjective, good, strong, firm, honest)
6
recalcitrant(adjective, tough, firm, persistent, obstinate)
6
stiff-necked(adjective, firm, deliberate, usual, regular)
5
contumacious(adjective, tough, firm, persistent, obstinate)
5
convinced(verb, adjective, set, firm, precise)
5
self-willed(adjective, tough, firm, deliberate, fixed)
5
spunky(adjective, strong, tough, firm, energetic)
5
ungovernable(adjective, persistent, impulsive, obstinate)
5
unruly(adjective, persistent, impulsive, obstinate)
4
bullheaded(adjective, tough, firm, stiff, resolute)
4
hardheaded(adjective, tough, firm, resolute, obstinate)
4
intrepid(adjective, strong, tough, firm, energetic)
4
rigorous(adjective, severe, harsh, solid, intense)
4
uncompliant(adjective, tough, firm, resolute)
4
unmanageable(adjective, tough, firm, persistent, obstinate)
4
unshaken(adjective, strong, flat, firm, solid)
10 years ago|41k views|share |citing 
APASmart Define. (2016). determined thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/determined/thesaurus/synonyms
ChicagoSmart Define. 2016. "determined thesaurus" https://smartdefine.org/determined/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, determined thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/determined/thesaurus/synonyms>.
MLASmart Define. "determined thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/determined/thesaurus/synonyms>