This meaning is used when someone wants to feel calm and free of stress. It can apply to both body and mind.
I like to relax after work.
Let's relax on the weekend.
This meaning is used in a formal context where strict rules or policies are made less severe.
We need to relax the rules for a while.
The company will relax its policies soon.
This meaning refers to the state of mind where a person feels calm and is not troubled by concerns or stress.
She can relax knowing everything is fine.
He felt relaxed after the good news.
