Did you know?

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

Pronunciation of 

sleepless

view main entry for sleeplessadjective  /ˈslipləs/
American English pronunciation: sleeplessClick to listen to the pronunciation of sleepless

derived words

sleeplessly

adverb

sleeplessness

noun [uncountable]

protologism

a new word or phrase invented in the hope that it will become generally used

BuzzWord Article

Open Dictionary

garbage patch

a collection of debris, mostly consisting of plastic, which moves around in the sea …

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