I. noun Date: 1535 killer , murderer , a cruel unprincipled person, II. adjective Date: 1565 murderous , cruel , marked by unprincipled practices ; ruthless , characterized by each player playing independently rather than having a permanent partner
CUTTHROAT
Meaning of CUTTHROAT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012