ruthless
/ˈruːθləs/adjective★Intermediate
formal
Having no pity or compassion; cruel and unfeeling.
The ruthless tactics of the dictator shocked the international community.
The dictator's actions showed a complete lack of mercy.
She pursued her goals with ruthless determination.
She was unrelenting and showed no compassion for obstacles.
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Often used to describe people, policies, or actions that are harsh and unforgiving.
Collocations
ruthless efficiencyextreme efficiency that disregards human feelingsruthless ambitionambition that ignores moral considerationsruthless competitioncompetition where participants act without empathy
English Dictionary