1. Having or showing no mercy
   "the merciless enemy"; "a merciless critic"; "gave him a merciless beating"
   - unmerciful

See also: bloody, bowelless, cutthroat, fierce, hard, implacable, inclement, mercilessness, mortal, pitiless, remorseless, ruthless, tigerish, uncompassionate, unkind, unpitying

Antonym: merciful

Encyclopedia: Merciless

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• Flannery O'Connor
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