73 entries under pitiless topic. ×

1
ironfisted(adjective, mean, harsh, cruel, vicious)
1
killer(adjective, mean, harsh, cruel, vicious)
1
malevolent(adjective, mean, harsh, cruel, vicious)
1
mean machine(expression, adjective, mean, severe, harsh)
1
revengeful(adjective, mean, harsh, cruel, vicious)
1
surly(adjective, mean, harsh, cruel, vicious)
1
unappeasable(adjective, mean, severe, harsh, cruel)
1
uncalled-for(adjective, mean, severe, harsh, cruel)
1
unflinching(adjective, mean, severe, harsh, cruel)
1
wanton(adjective, mean, severe, harsh, cruel)
1
without pity(expression, adjective, mean, harsh, cruel)
0
hard-nosed(adjective, cruel, brutal, callous)
0
stern(adjective, mean, harsh, cruel, vicious)
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APASmart Define. (2016). unmerciful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unmerciful/thesaurus/synonyms
ChicagoSmart Define. 2016. "unmerciful thesaurus" https://smartdefine.org/unmerciful/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unmerciful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unmerciful/thesaurus/synonyms>.
MLASmart Define. "unmerciful thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/unmerciful/thesaurus/synonyms>