Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “bug”

bug

verb [T] (HIDE DEVICE)    /bʌɡ/ (-gg-)
to place or hide a listening device inside something: often passive She suspected that her phone had been bugged.Spying and espionage
(Definition of bug verb (HIDE DEVICE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of bug

Definitions of “bug” in other dictionaries

Word of the Day

handout

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

Word of the Day

Blog

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