Did you know?

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

install - definition and synonyms


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.



The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

verb [transitive] [often passive] install pronunciation in American English /ɪnˈstɔl/
Word Forms
present tense
present participleinstalling
past tenseinstalled
past participleinstalled
  1. 1
    to put a piece of equipment somewhere and make it ready for use
    Crime has decreased since the security cameras were installed.
    Have you installed a smoke alarm in your office?
    have something installed: We’ve had a second phone line installed.
    newly/recently installed: a newly installed gas central heating system
    1. a.
      computing to put a new program or piece of software into a computer so that you can use it
      It’s important to install a virus checker.
      Synonyms and related words
  2. 2
    to officially put someone in an important job or position
    install someone as something: She was installed as the first woman chancellor of the university.
    install someone in office: the revolt that installed Aquino in office in 1986
  3. 3
    to put someone somewhere
    install yourself: On reaching the workshop, Ashley installed herself behind her bench.
    comfortably/safely installed: So here I am, comfortably installed in my new office.


… a feeling of pleasure you get from spending time doing what you want and not worrying about what other people are doing or saying

BuzzWord Article

Word of the Day

Mardi Gras

shrove tuesday

Open Dictionary

brain fade

a temporary inability to think clearly or remember information

add a word


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