Grammar fix
settle up
clear what you owe
To pay money that you owe, especially after borrowing money or sharing expenses.
phrasal verb
How oftenCommon
LevelB2
Used inMostly spoken
Hear it in context
Notice where the phrase sounds natural.
We should settle up before we leave the restaurant.
When I travel with friends, we usually settle up at the end of each day using a payment app.
Fix the pattern
One small grammar move makes it sound right.
Not: I'll settle you up tomorrow.
Say: I'll settle up with you tomorrow.
Use 'settle up with someone', not 'settle someone up', when you mean pay what you owe them.
Don't confuse it
Other ways to say it
Return money you owe
How formalCasualMore formal
settle upYou're here · Clear what you owe, often between friends or after sharing expenses.
pay backReturn money borrowed from a person or organisation.repayLoans and borrowed money, especially in more formal explanations.