89 entries under tough topic. ×

42
persistent(adjective, characteristic, quality, stubbornness, refusal)
42
unshakable(adjective, characteristic, quality, mean, strong)
40
recalcitrant(adjective, characteristic, quality, stubbornness, resistance)
39
refractory(adjective, characteristic, quality, stubbornness, refusal)
37
mulish(adjective, obstinate, characteristic, quality, stubbornness)
35
hard(adjective, characteristic, quality, mean, strong)
35
set(adjective, strong, secure, firm)
34
pertinacious(adjective, characteristic, quality, obstinate, stubbornness)
33
intractable(adjective, characteristic, quality, stubbornness, obstinate)
29
contumacious(adjective, obstinate, characteristic, quality, stubbornness)
29
pigheaded(adjective, characteristic, quality, mean, hard)
28
self-willed(adjective, characteristic, quality, stubbornness, refusal)
23
awkward(adjective, change, position, attitude, determination)
23
strong-willed(adjective, determined, resolute, change, position)
22
perverse(adjective, characteristic, quality, stubbornness, mean)
22
uncooperative(adjective, change, mean, position, attitude)
21
stiff-necked(adjective, characteristic, quality, stubbornness, determined)
21
hardheaded(adjective, characteristic, quality, strong, hard)
21
rugged(adjective, strong, hard, difficulty)
20
serious(adjective, strong, hard, firm)
11 years ago|24k views|share |citing 
APASmart Define. (2015). stubborn thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/stubborn/thesaurus/synonyms
ChicagoSmart Define. 2015. "stubborn thesaurus" https://smartdefine.org/stubborn/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, stubborn thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/stubborn/thesaurus/synonyms>.
MLASmart Define. "stubborn thesaurus" 3 August 2015. Web. 29 September 2026. <https://smartdefine.org/stubborn/thesaurus/synonyms>