17
stubborn(adjective, weak, soft)
12
adamant(adjective, unyielding)
9
inflexible(adjective, soft, stiff, yielding, hardened)
8
stiff(adjective, hard, inflexible)
6
harsh(calm, soft, low)
4
rigid(adjective, soft, severe, gentle, stiff)
4
contumacious
4
firm
3
hard(adjective, kind, gentle, bright)
3
intractable
3
mulish
3
obdurate
3
opinionated
3
out of control
3
unyielding(adjective, weak, inflexible, flexible)
2
obstinate(adjective, soft, yielding)
2
austere
2
balky
2
determined
2
dogged
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APASmart Define. (2016). pliant thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/pliant/thesaurus/antonyms
ChicagoSmart Define. 2016. "pliant thesaurus" https://smartdefine.org/pliant/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, pliant thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/pliant/thesaurus/antonyms>.
MLASmart Define. "pliant thesaurus" 23 March 2016. Web. 21 September 2026. <https://smartdefine.org/pliant/thesaurus/antonyms>