Did you know?

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

British pronunciation of 


view main entry for ultrasonic adjective  /ˌʌltrəˈsɒnɪk/
British English pronunciation: ultrasonic
Click to listen to the pronunciation of ultrasonic

derived word


  /ˌʌltrəˈsɒnɪkli/ adverb
British English pronunciation: ultrasonically
Click to listen to the pronunciation of ultrasonically

This is the British English pronunciation of ultrasonic.

View American English pronunciation of ultrasonic.


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