Did you know?

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

piano - 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.



The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

noun [countable]     piano pronunciation in American English
Word Forms
  1. Sound effect a large musical instrument with a row of black and white keys that produce notes when you press them. Someone who plays the piano is usually called a pianist, but someone who plays popular music or jazz can also be called a piano player

    Do you play the piano?

    She was accompanied by Helen on piano.


Physical Cookie

a small electronic device which is taken into shops and links individual customers to advertisements …

BuzzWord Article

Open Dictionary


the act or practice of telling the future using random items such as playing cards

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