Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “slack”

slack

adjective [-er/-est only]  /slæk/ us  

slack adjective [-er/-est only] (NOT TIGHT)

not tight; loose: His jaw went slack, and he looked puzzled.

slack adjective [-er/-est only] (NOT ACTIVE)

showing a lack of activity; not busy or happening in a positive way: The teachers are kind of slack about enforcing rules.

slack

noun [U]  /slæk/ us  

slack noun [U] (LOOSE STATE)

the state of being too loose or not tight enough: There was too much slack in the cable.

slack noun [U] (SLOW STATE)

a period when something is slower or less active than usual: the midsummer slack
(Definition of slack from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of slack?
Browse related topics

You are looking at an entry to do with Work, working and the workplace, but you might be interested in these topics from the Working topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “slack” in other dictionaries

Word of the Day

dawn on sb

If a fact dawns on you, you understand it after a period of not understanding it.

Word of the Day

The language of work

by Kate Woodford,
October 15, 2014
Most of us talk about our jobs. We tell our family and friends interesting or funny things that have happened in the workplace (=room where we do our job), we describe – and sometimes complain about – our bosses and colleagues and when we meet someone for the first time, we tell

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More