61 entries under pitiless topic. ×

1
remorseless(adjective, persistent, constant, unyielding)
1
ruthless(adjective, mean, severe, harsh, cruel)
1
severe(adjective, mean, tough, firm, harsh)
1
steady(adjective, persistent, constant, unyielding)
1
stiff-necked(adjective, persistent, constant, unyielding)
1
tenacious(adjective, persistent, constant, unyielding)
1
unabated(adjective, persistent, constant, unyielding)
1
unappeasable(adjective, mean, severe, harsh, cruel)
1
unbending(adjective, persistent, constant, unyielding)
1
unbroken(adjective, persistent, constant, unyielding)
1
uncalled-for(adjective, mean, severe, harsh, cruel)
1
unfeeling(adjective, mean, severe, harsh, cruel)
1
unflinching(adjective, mean, severe, harsh, cruel)
1
unforgiving(adjective, mean, severe, harsh, cruel)
1
unmerciful(adjective, mean, severe, harsh, cruel)
1
unpitying(adjective, mean, severe, harsh, cruel)
1
unremitting(adjective, persistent, constant, unyielding)
1
unsparing(adjective, mean, tough, severe, firm)
1
unwavering(adjective, persistent, constant, unyielding)
1
unyielding(adjective, mean, severe, harsh, cruel)
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APASmart Define. (2015). iron-fisted thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/iron-fisted/thesaurus/synonyms
ChicagoSmart Define. 2015. "iron-fisted thesaurus" https://smartdefine.org/iron-fisted/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, iron-fisted thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/iron-fisted/thesaurus/synonyms>.
MLASmart Define. "iron-fisted thesaurus" 6 February 2015. Web. 30 September 2026. <https://smartdefine.org/iron-fisted/thesaurus/synonyms>