Did you know?

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

back out

 - definitions and thesaurus

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.

phrasal verb [intransitive]
Word Forms
present tense
I/you/we/theyback out
he/she/itbacks out
present participlebacking out
past tensebacked out
past participlebacked out
  1. to decide not to do something you agreed to do

    I promised to help and I'm not backing out now.

    back out of:

    We're hoping that no one will back out of the deal.

See also main entry: back


web content which is specifically intended to make Facebook users click the 'Like' button associated with it

BuzzWord Article

Open Dictionary


the possibility of Greece leaving the Eurozone …

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