Did you know?

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

block out - 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.

phrasal verb [transitive]
Word Forms
present tense
I/you/we/theyblock out
he/she/itblocks out
present participleblocking out
past tenseblocked out
past participleblocked out

Related words

  1. 1
    to stop light or sound from reaching something
    That tree in the neighbour’s garden blocks out a lot of light.
  2. 2
    to stop yourself from thinking about or remembering something
    He had always managed to block out the incident.
See also main entry: block


a meal served in the evening which consists of foods traditionally eaten at breakfast

BuzzWord Article

Open Dictionary

troll factory

a company that pays its employees to write online comments in favour or against somebody or something posing as ordinary Internet users

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