slack - definition in the American English Dictionary - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “slack”

See all translations

slack

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

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]  us   /slæk/

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?
Add Cambridge dictionaries to your browser to your website

Definitions of “slack” in other dictionaries

Word of the Day

lateral thinking

a way of solving a problem by thinking about it in a different and original way and not using traditional or expected methods

Word of the Day

What’s All The Commotion About? (Words to describe sounds)

by Kate Woodford,
May 20, 2015
​​​ In this post we look at a range of words and phrases that we use to describe noise and the absence of noise. Starting with complete quiet, we sometimes use the noun hush to describe silence: A hush fell over the room as the bride walked in./There was a deathly hush (=complete

Read More 

plyscraper noun

May 18, 2015
a skyscraper made mainly from wood The development of engineered timber could herald a new era of eco-friendly ‘plyscrapers’. Christchurch welcomed its first multistorey timber structure this year, there are plans for Vancouver, and the talk is China could follow

Read More