Did you know?

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

ARVC - 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.

noun medical
  1. From our crowdsourced Open Dictionary
    arrhythmogenic right ventricular cardiomyopathy: a condition where one of the ventricles is damaged which affects the electrical signals that trigger each heartbeat, leading to abnormal heart rhythms that can be life-threatening

    As well as taking note of a patient’s medical history, there are a number of tests that can be used to diagnose ARVC.

    Submitted from United Kingdom on 18/04/2016
quiz invitation

gig economy

an employment concept in which people are paid for each specific, short-term task that they do and don't have conventional contracts of employment

BuzzWord Article

Open Dictionary

fake news

a sensational piece of news which does not map to reality, created to attract attention or damage somebody's reputation

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