Definitions

1. noun

a facial expression in which the eyebrows are lowered and the corners of the mouth are turned downward, expressing disapproval, displeasure, or unhappiness.

“She tried to hide her frown as she listened to the bad news.”

2. verb

to lower the eyebrows and turn the corners of the mouth downward, expressing disapproval, displeasure, or unhappiness.

“The child frowned at the bitter taste of the medicine.”