Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “junk mail”

junk mail

advertising material that is sent to homes and businesses without their asking for it: Over 3.3 billion items of junk mail were delivered by the Royal Mail last year . → Compare spam noun
(Definition of junk mail noun from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of junk mail

Definitions of “junk mail” in other dictionaries

Word of the Day


the art and knowledge involved in preparing and eating good food

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