Did you know?

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

slack off

 - 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/theyslack off
he/she/itslacks off
present participleslacking off
past tenseslacked off
past participleslacked off
  1. to slow down, or to become less
    The rain seemed to be slacking off.
    Synonyms and related words
    Synonyms and related words
See also main entry: slack


used to describe foods which don't contain ingredients such as wheat, dairy products etc …

BuzzWord Article

Open Dictionary

red market

the buying and selling of human organs

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