90 entries under cruel topic. ×

1
inhuman(adjective, harsh, determined, fierce)
1
intemperate(adjective, hard, tough, severe, rough)
1
intolerable(adjective, tough, severe, harsh)
1
merciless(adjective, harsh, determined, fierce)
1
mortal(adjective, harsh, determined, fierce)
1
perverse(adjective, tough, severe, harsh)
1
pitiless(adjective, hard, severe, harsh)
1
remorseless(adjective, harsh, determined, fierce)
1
resentful(adjective, tough, severe, harsh)
1
ruthless(adjective, hard, severe, harsh)
1
single-minded(adjective, harsh, determined, fierce)
1
stop at nothing(expression, adjective, idiom, harsh)
1
unappeasable(adjective, harsh, determined, fierce)
1
undeviating(adjective, severe, harsh, solid, exact)
1
unfeeling(adjective, hard, tough, severe, sharp)
1
unflinching(adjective, harsh, determined, fierce)
1
unjust(adjective, tough, severe, harsh)
1
unkind(adjective, hard, tough, severe, sharp)
1
unpleasant(adjective, hard, tough, severe, sharp)
1
unstoppable(adjective, harsh, determined, fierce)
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APASmart Define. (2015). stringent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/stringent/thesaurus/synonyms
ChicagoSmart Define. 2015. "stringent thesaurus" https://smartdefine.org/stringent/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, stringent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/stringent/thesaurus/synonyms>.
MLASmart Define. "stringent thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/stringent/thesaurus/synonyms>