unrepenting
ADJECTIVE
remorseless
Synonyms
WEAK
avaricious
barbarous
bloody
callous
cruel
fierce
forbidding
greedy
grim
hard
hard-bitten
hard-hearted
hardened
harsh
impenitent
implacable
inexorable
inhuman
inhumane
insensitive
intolerant
merciless
murderous
obdurate
pitiless
relentless
rigorous
ruthless
sanguinary
savage
shameless
sour
tough
tyrannical
uncompassionate
uncontrite
unforgiving
unmerciful
unregenerate
unrelenting
unremitting
unyielding
vindictive
Antonyms
WEAK
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.