Did you know?

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

slacktivist - 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.

  1. From our crowdsourced Open Dictionary
    someone who supports a cause or makes a protest by doing something that requires minimal effort, eg signing an online petition or sending a tweet

    Is there any value in a Slacktivist? Can 500,000 people on twitter actually change something?

    Submitted from United Kingdom on 19/06/2012

deep learning

a form of machine learning which incorporates the use of neural networks

BuzzWord Article

Open Dictionary

snap election

a general election … that is called earlier than expected

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
Macmillan learn live love play