Synonyms of unmerciful in English:

unmerciful


See definition of unmerciful

adjective

1‘he gave me an unmerciful thrashing’

SYNONYMS
ruthless, cruel, harsh, merciless, pitiless, unpitying, remorseless, cold-blooded, hard-hearted, hard, callous, brutal, brutish, severe, rigorous, draconian, unrelenting, unforgiving, unsparing, barbarous, savage, inhumane, inhuman, stony, heartless, cut-throat, unsympathetic, unfeeling, illiberal, uncharitable, inflexible, intolerant, rigid, stern, strict, punishing, sadistic
ANTONYMS

merciful