Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mercy killing”

mercy killing

noun [C or U]    
the act of killing someone who is very ill or very old so that they do not suffer any moreKillingMurder and attempted murder
(Definition of mercy killing noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of mercy killing

Definitions of “mercy killing” in other dictionaries

Translations of “mercy killing”

Word of the Day


a document given to students or reporters which contains information about a particular subject

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