slackness
🇺🇸
/ˈslæknəs/
🇬🇧
/ˈslæknəs/
Lack of effort or care in doing something
The teacher noticed a lot of slackness in the students' homework.
老師注意到學生作業中有很多鬆懈。
Loose or not tight condition
We need to reduce the slackness in the rope to make the swing safe.
我們需要減少繩索上的鬆弛,以確保秋千的安全。