To skimp means to not use enough of something. People often skimp on things to save money or effort, but it can cause problems or poor quality.
Do not skimp on food at dinner.
She skimped on paint to save money.
Skimp can mean to do a job badly by not putting in enough work or care. This use usually shows a lack of attention or effort.
He skimped on homework this week.
They skimped on cleaning the room.
This meaning of skimp means to use less food or drink than usual. People may do this to save food, money, or time.
Don't skimp on water when cooking rice.
They skimped on sauce for dinner.
When people skimp in work, they do only the easy parts or less than needed. It often leads to poor results or mistakes.
They skimped in their work to finish fast.
Don’t skimp when you paint the wall.
Skimp can mean to spend less money than usual. It shows careful or tight use of money, but sometimes it means not spending enough.
He skimped to save for a new car.
We skimped on gifts this year.