Definition of slack
- a slack pace
- a slack oven
- the tide was slack
- a slack rope
- slack muscles
- slack supervision
- a slack market
- a very slack piece of work
His broken arm hung slack at his side.
The rope suddenly went slack.
He accused the government of slack supervision of nuclear technology.
They need to stop slacking and get down to work.
the skipper ordered the crew to slack off the sheets on the mainsail
: not stretched or held in a tight position
: not busy : lacking the expected or desired activity
: doing something poorly because you are not putting enough care or effort into it
: to give little or no effort or attention to work
What made you want to look up slack? Please tell us where you read or heard it (including the quote, if possible).