Synonyms of merciless in English:

merciless

adjective

  • 1 the merciless Cossacks who invaded Siberia
    ruthless, remorseless, pitiless, unforgiving, unsparing, implacable, inexorable, relentless, unremitting, inflexible, inhumane, inhuman, unsympathetic, unfeeling, intolerant, rigid, severe, cold-blooded, hard-hearted, stony-hearted, heartless, harsh, callous, cruel, brutal, barbarous, cutthroat
    [Antonyms] compassionate
  • Definition of merciless in:

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    Word of the day ween
    Pronunciation: wiːn
    verb
    be of the opinion; think or suppose