Synonyms: merciless, unmerciful
Definition: having or showing no mercy
Usage: the merciless enemy; a merciless critic; gave him a merciless beating
Similar words: fierce, cutthroat, bowelless
Definition: ruthless in competition
Usage: cutthroat competition; bowelless readiness to take advantage
Similar words: mortal
Definition: unrelenting and deadly
Usage: mortal enemy
Similar words: pitiless, remorseless, ruthless, unpitying
Definition: without mercy or pity
Usage: an act of ruthless ferocity; a monster of remorseless cruelty
Similar words: tigerish
Definition: resembling a tiger in fierceness and lack of mercy
Usage: a tigerish fury