Lighten Up
= be less serious, relax
IMPORTANT NOTE:
“Lighten up” can also mean to make a color lighter. Ex: This color of paint is too dark, we should “lighten it up.”
Ex: She was angry when he said a joke about her, but she should “lighten up” and laugh at the jokes.
Ex: You are being very mean to her. You need to “lighten up.”
