RichThesaurus
unforgiving
unforgiving
synonyms
unrelenting
ruthless
relentless
merciless
pitiless
harsh
cruel
inexorable
unsympathetic
implacable
severe
inflexible
hard
stern
unfeeling
hard-hearted
remorseless
callous
grim
heartless
unbending
unappeasable
unyielding
unpitying
unmerciful
uncompromising
unsparing
uncharitable
stony
uncaring
cold-blooded
inhuman
inhumane
savage
barbarous
with a heart of stone
brutal
cold-hearted
stony-hearted
tough
vindictive
strict
fierce
sadistic
cold
lacking compassion
steely
hard-boiled
rigorous
adamant
unforgiving
definitions
adj
Unwilling or unable to forgive or show mercy.
Having no allowance for weakness.