Synonyms for pitiless

Adjective

1. pitiless, remorseless, ruthless, unpitying, merciless (vs. merciful), unmerciful

usage: without mercy or pity; "an act of ruthless ferocity"; "a monster of remorseless cruelty"

2. pitiless, unkind, inhumane (vs. humane)

usage: deficient in humane and kindly feelings