Did you know?

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


 - definition

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 entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

verb American English pronunciation: boot /but/ 
Word Forms
present tense
present participlebooting
past tensebooted
past participlebooted
  1. 1
    [transitive] informal to kick something or someone hard
    boot something up/down/around/into etc.:

    He kept booting the ball into the crowd.

  2. 2



    boot up

    [intransitive/transitive] computing if a computer boots, or if you boot it, it starts working and becomes ready to use

    It'll take my laptop a couple of minutes to boot.

phrasal verbs

mom jeans

a style of loose-fitting jeans with a high waist, often considered unfashionable

BuzzWord Article

Open Dictionary


Employed but with No Disposable Income or Savings: people who are in work but only earn just enough to live on

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