Did you know?

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

3D fatigue - 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
    discomfort a user experiences when watching a film or playing a game in 3D

    Protecting yourself against 3D fatigue is an important part of ensuring that this entertainment technology has a balanced place in your life.

    Submitted from United Kingdom on 11/01/2011

sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

BuzzWord Article

Word of the Day


to teach someone

Open Dictionary


an electric skateboard

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