Did you know?

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

British pronunciation of 

irrational

view main entry for irrational adjective  /ɪˈræʃ(ə)nəl/
British English pronunciation: irrational
Click to listen to the pronunciation of irrational

derived words

irrationality

  /ɪˌræʃəˈnæləti/ noun [uncountable]
British English pronunciation: irrationality
Click to listen to the pronunciation of irrationality

irrationally

adverb

This is the British English pronunciation of irrational.

View American English pronunciation of irrational.

BuzzWord

moonbow

a rainbow produced when water droplets in the air reflect light from the moon rather than the sun

BuzzWord Article

Open Dictionary

platform capitalism

a way of doing business that involves recruiting large numbers of people who work for themselves using the company's platform, as used by companies such as Uber, Deliveroo and the like

add a word

Blog

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