Nonwork means not working or not related to work.
Nonwork can be a good thing, like a holiday, or a bad thing, like being lazy.
Examples:
I like to do nonwork on the weekend.
She has a nonwork day today.
Nonwork time is important for resting.
I don't want to do any nonwork today.
I wish every day was nonwork day!
He always does nonwork and never works.