She attacked her opponent's position 'remorselessly'.
his 'remorseless' pursuit of justice
a 'remorseless' murderer
(..) ...so that he could shoot each of them again. An extra bullet per lover... ...right in the head. You strike me as a particularly icy and remorseless man, Mr. Dufresne. It chills my blood just to look at you. By the power vested in me by the state of Maine... ...I hereby order you to serve So be it! (..)1994 The Shawshank Redemption