Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

hack

verb (INFORMATION)
 
 
/hæk/

Definition

[I or T] to get into someone else's computer system without permission in order to find out information or do something illegal: Computer hacking has become very widespread over the last decade. A programmer had managed to hack into some top-secret government data. He claimed they had spied on him and tried to hack his computer.Operating computers [I or T] to use someone else's phone system without permission, especially to listen to their spoken messages: Police told the actor that his phone had been hacked.
(Definition of hack verb (INFORMATION) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Word of the Day

throw caution to the wind/winds

to do something without worrying about the risk or negative results

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