Repay can mean to do something nice or helpful to someone who did the same for you. It is about returning kindness or help.
He repaid her help with a kind gift.
They repaid the favor quickly and happily.
Repay can mean to compensate or give back something to fix a loss or damage. This use applies in legal or formal situations.
The company repaid damages after the accident.
They must repay the costs caused by the mistake.
Repay can mean to react to someone’s feelings or actions by doing something similar back. It is often about emotions.
She repaid his kindness with a smile.
He repaid her anger with calm words.
Repay means to give a reward or thanks for effort or help. It is about returning something valuable as a form of thanks.
We repaid her hard work with a bonus.
They repaid their team's effort with praise.