merciless

Synonyms:

unmerciful

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

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

implacable

incapable of being placated

Antonyms:

merciful

showing or giving mercy

clement

(used of persons or behavior) inclined to show mercy

compassionate

showing or having compassion

soft

compassionate and kind; conciliatory

humane

marked or motivated by concern with the alleviation of suffering

kind

having or showing a tender and considerate and helpful nature; used especially of persons and their behavior

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