frown
n. countablen. a facial expression that shows you are angry, worried, or thinking hard. It happens when you move your eyebrows together and create lines on your forehead.
n. a facial expression characterized by the furrowing of the brow, typically indicating displeasure, concentration, or confusion.
She had a deep frown on her face while reading.
The teacher noticed the student's frown and asked if the instructions for the exam were unclear.
A slight frown of concentration appeared on the architect's face as she scrutinized the structural flaws in the blueprint.
From Middle English frown, froun (“a threatening appearance; lowering of the clouds”), from frounen (“to frown”). See below.
From Middle English frounen (“to frown as an expression of disapproval, displeasure, shame, fear, or jealousy”), from Old French frognier (“to frown or scowl”), from Gaulish frognā (“nostril”), from Proto-Celtic srognā.
Often used with the verbs 'wear' or 'have', and frequently paired with the preposition 'of' to describe the emotion.