Crossword Genius

Without mercy (8)

Ross

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8

10

pitiless

'without mercy' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for pitiless that I've seen before include "Without compassion or mercy" , "Harsh, cruel" , "Cold-hearted" , "Callous" , "Remorseless, ruthless" .)

I've seen this clue in The Telegraph, the LA Times and The Irish Times.
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