1slack 
/ˈslæk/ adjective
/ˈslæk/ adjective 1 : not stretched or held in a tight position : loose
▪ slack rope ▪ His broken arm hung slack at his side. ▪ The rope suddenly went slack. ▪ Her jaw went slack [=fell open] in amazement. 2 : not busy : lacking the expected or desired activity
▪ The fall is our slack [=slow] season. ▪ a slack market 3 a : doing something poorly because you are not putting enough care or effort into it
▪ I've been a little slack [=careless] about taking my medication lately.
b : done poorly and carelessly
▪ He accused the government of slack supervision of nuclear technology.
▪ slack rope ▪ His broken arm hung slack at his side. ▪ The rope suddenly went slack. ▪ Her jaw went slack [=fell open] in amazement.
▪ The fall is our slack [=slow] season. ▪ a slack market
▪ I've been a little slack [=careless] about taking my medication lately.
b : done poorly and carelessly
▪ He accused the government of slack supervision of nuclear technology.
— slack·ly adverb
▪ Streamers hung slackly from the walls.
▪ Streamers hung slackly from the walls.
— slack·ness noun [noncount]
▪ the slackness of the rope ▪ His slackness at work has been noticed.
▪ the slackness of the rope ▪ His slackness at work has been noticed.
