Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “hack”

hack

verb [I, T]     /hæk/
CUT to cut something roughly into pieces: The victim had been hacked to death.Cutting and stabbing
COMPUTER to use a computer to illegally get into someone else's computer system and read the information that is kept there: Two British youths were caught hacking into government computers.Computer programming and software
TELEPHONE [often passive] to illegally and secretly listen to someone else's telephone conversations or to the messages left on someone else's telephone: The actor believes that his phone was hacked by the newspaper. Communicating by telephone
(Definition of hack verb from the Cambridge Learner's Dictionary © Cambridge University Press)

Browse related topics

You are looking at an entry to do with Cutting and stabbing, but you might be interested in these topics from the Cutting and joining topic area:

More Learner's Dictionary definitions for “hack”

Definitions of “hack” in other dictionaries

Word of the Day

closeness

the quality of knowing someone very well, liking them a lot, and wanting to spend a lot of time together

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