1.
[syn: pitiless, remorseless, ruthless, unpitying]
The Collaborative International Dictionary of English v.0.48:
Ruthless \Ruth"less\, a.
Having no ruth; cruel; pitiless.
[1913 Webster]
Their rage the hostile bands restrain,
All but the ruthless monarch of the main. --Pope.
[1913 Webster] -- Ruth"less*ly, adv. -- Ruth"less*ness,
n.
[1913 Webster]
WordNet (r) 3.0 (2006):
ruthless
adj 1: without mercy or pity; "an act of ruthless ferocity"; "a
monster of remorseless cruelty" [syn: pitiless,
remorseless, ruthless, unpitying]