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

paradox

a situation or statement that seems impossible or is difficult to understand because it contains two opposite facts or characteristics

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