Unmerciful (8)
'unmerciful' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for ruthless that I've seen before include "Unsparing" , "Hard-hearted" , "Showing no compassion" , "devoid of compassion" , "Harsh" .)
'unmerciful' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for pitiless that I've seen before include "Harsh, cruel" , "Remorseless, ruthless" , "Callous" , "Cold-hearted" , "feeling nothing" .)