103 entries under cruel topic. ×

2
apathetic(adjective, person, hard, careless, indifferent)
2
astringent(adjective, strong, hard, tough, severe)
2
bound(adjective, strong, tough, flat, firm)
2
dead set on(expression, adjective, idiom, strong, secure)
2
immobile(adjective, secure, steady, fixed)
2
indurated(adjective, set, strong, hard, firm)
2
inured(adjective, hard, careless, indifferent)
2
rugged(adjective, set, strong, hard, tough)
2
unaffected(adjective, hard, careless, indifferent)
2
unconcerned(adjective, hard, careless, indifferent)
2
unimpressionable(adjective, hard, careless, indifferent)
1
bitter(adjective, set, strong, hard, tough)
1
blind to(expression, adjective, hard, careless, indifferent)
1
bound and determined(expression, adjective, idiom, harsh)
1
careless(adjective, hard, indifferent, apathetic)
1
case-hardened(adjective, hard, careless, indifferent)
1
deaf to(expression, adjective, hard, careless, indifferent)
1
difficult(adjective, hard, severe, rough, harsh)
1
ferocious(adjective, hard, rough, harsh)
1
fierce(adjective, hard, rough, harsh)
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APASmart Define. (2016). inflexible thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/inflexible/thesaurus/synonyms
ChicagoSmart Define. 2016. "inflexible thesaurus" https://smartdefine.org/inflexible/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, inflexible thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/inflexible/thesaurus/synonyms>.
MLASmart Define. "inflexible thesaurus" 24 March 2016. Web. 1 October 2026. <https://smartdefine.org/inflexible/thesaurus/synonyms>