Pronunciation: /ˈruθ.ləs/
adjective showing no mercy; cruel; pitiless
A1 The ruthless hunter caught the rabbit.
A2 The ruthless dictator ruled with an iron fist.
B1 The ruthless businesswoman would do anything to succeed.
B2 The ruthless criminal showed no mercy to his victims.
C1 The ruthless general led his troops into battle without hesitation.
C2 The ruthless assassin completed the mission without any remorse.
formal The ruthless dictator showed no mercy to those who opposed him.
informal She can be quite ruthless when it comes to getting what she wants.
slang That guy is straight up ruthless, watch out for him.
figurative The ruthless storm tore through the town, leaving destruction in its wake.
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have been ruthless
is being ruthless
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