167 entries under adjective topic. ×

1
mean machine(expression, mean, severe, harsh)
1
mulish(determined, resolute, uncompromising, unshakeable)
1
obstinate(determined, resolute, uncompromising, unshakeable)
1
opinionated(determined, resolute, uncompromising, unshakeable)
1
ossified(determined, resolute, uncompromising, unshakeable)
1
pat(determined, resolute, uncompromising, unshakeable)
1
pertinacious(determined, resolute, uncompromising, unshakeable)
1
perverse(determined, resolute, uncompromising, unshakeable)
1
pigheaded(determined, resolute, uncompromising, unshakeable)
1
prodigious
1
remorseless(mean, severe, harsh, cruel)
1
rigorous(harsh, cruel, determined, fierce)
1
self-opinionated(determined, resolute, uncompromising, unshakeable)
1
self-willed(determined, resolute, uncompromising, unshakeable)
1
single-minded(harsh, cruel, determined, fierce)
1
starved
1
stiff(harsh, cruel, determined, fierce)
1
stiff-necked(determined, resolute, uncompromising, unshakeable)
1
stop at nothing(expression, idiom, harsh, cruel)
1
stringent(harsh, cruel, determined, fierce)
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APASmart Define. (2015). unappeasable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unappeasable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unappeasable thesaurus" https://smartdefine.org/unappeasable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unappeasable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unappeasable/thesaurus/synonyms>.
MLASmart Define. "unappeasable thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/unappeasable/thesaurus/synonyms>