unmerciful

1. Having or showing no mercy (synset 301511081)
   "the merciless enemy"; "a merciless critic"; "gave him a merciless beating"
   also:

   • bloody - having or covered with or accompanied by blood
   • inclement - used of persons or behavior; showing no clemency or mercy
   • uncompassionate - lacking compassion or feeling for others
   • hard - dispassionate
   • unkind - lacking kindness
   • implacable - incapable of being placated
   similar to:

   • bowelless, cutthroat, fierce - ruthless in competition
   • mortal - unrelenting and deadly
   • pitiless, remorseless, ruthless, unpitying - without mercy or pity
   • tigerish - resembling a tiger in fierceness and lack of mercy
   same as: merciless

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