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English definition of “bully”

bully

noun [C]     /ˈbʊl.i/
C1 someone who hurts or frightens someone who is smaller or less powerful, often forcing them to do something that they do not want to do: You're just a big bully! Teachers usually know who the bullies are in a class.Treating people or animals badlyInsults and abuseUnkind, cruel and unfeelingViolent or aggressive
(Definition of bully noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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