Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “attach”


verb [T]     /əˈtætʃ/
JOIN B1 to join or fix one thing to another: She attached a photograph to her letter .Connecting and combiningVariety and mixturesMixing and mixturesLinking and relatingRegarding and concerning
attach importance/value, etc to sb/sth to think that someone or something has importance / value , etc : You attach too much importance to money .Linking and relatingRegarding and concerning
INCLUDE to include something as part of something else : There were too many conditions attached to the deal . → See also no strings (attached)Connecting and combiningVariety and mixturesMixing and mixtures
COMPUTER B1 to add an attachment (= computer file ) to an email message Computer technologyConventions used on the Internet and in email
(Definition of attach verb from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “attach” in other dictionaries

Word of the Day


a good knowledge of something, or the fact that you know it so well

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