Did you know?

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

slacken off - 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.

phrasal verb [intransitive/transitive]
Word Forms
present tense
I/you/we/theyslacken off
he/she/itslackens off
present participleslackening off
past tenseslackened off
past participleslackened off

Related words

  1. same as slacken (sense 1)

    When you’re in the lead, don’t slacken off.

See also main entry: slacken

Open Dictionary


a rise in the level of a stream or river

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