Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “murderer”


noun [C]     /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 )Murderers and attackers
(Definition of murderer noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of murderer

Definitions of “murderer” in other dictionaries

Word of the Day

as husband and wife

in the same way as two people who are married

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More