Did you know?

Click any word in a definition or example to find the entry for that word

hack

 - definition
 
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

more
verb American English pronunciation: hack /hæk/ 
Word Forms
Close
present tense
I/you/we/theyhack
he/she/ithacks
present participlehacking
past tensehacked
past participlehacked

Related dictionary definitions

 
  1. 1
    [intransitive/transitive] to cut something in a rough way, with a lot of energy, or many times

    We hacked a trail through the bushes to bring in our supplies.

    hack (away) at:

    The boys were hacking at the undergrowth with heavy sticks.

    hack something off:

    Jo hacked a piece off the block of cheese.

  2. 2
    [transitive] to spoil a piece of writing by removing or changing a lot of its parts
    hack something to pieces:

    The script had been hacked to pieces by an incompetent editor.

  3. 3
    [transitive] [usually in negatives or questions] informal to have enough energy or interest to deal with something

    I wasn't sure I could hack the finance course.

    hack it:

    She just couldn't hack it as a reporter.

  4. 4
    [intransitive/transitive] to use a computer to connect to someone else's computer secretly and often illegally, so that you can find or change information on it

    Young kids are finding they can hack the computers of large corporations.

    hack into:

    They hack into banks and transfer huge amounts of cash.

  5. 6
    [intransitive] American old-fashioned to drive a taxi

phrasal verbs

dark pool

a method of financial trading in which share prices are hidden and not openly available to the public

BuzzWord Article

Word of the Day

spinnaker

an extra sail sometimes fitted on the front of a boat used for racing

Open Dictionary

subtweet

to post a tweet, usually a negative one, that mentions a person without using the @ sign, so that they will not see the message on their Twitter feed …

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog