Definition of “murderer” - English Dictionary

british dictionary

“murderer” in British English

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murderernoun [ C ]

uk /ˈmɜː.dər.ər/ us /ˈmɝː.dɚ.ɚ/ old-fashioned female murderess,

B1 someone who illegally and intentionally kills another person:

A convicted murderer was executed in North Carolina yesterday.
a mass murderer (= someone who has killed a large number of people illegally)

(Definition of “murderer” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)