frown

frown [-s] n

OFr.

1. Negative aspect; unfavorable countenance; expression of displeasure; [fig.] cloudy weather; overcast atmosphere.

frown v

see frown, n.

1. Manifest displeasure; show disapproval; express dislike; refuse to smile.
2. Be sad; refrain from smiling; present a gloomy aspect; express sorrow on the face.