glow·er

- noun
1. a look of sullen dislike, discontent, or anger.
- verb
1. look at with a fixed gaze.
2. look angry or sullen, wrinkle one's forehead, as if to signal disapproval.

glare

– noun
1. a very harsh, bright, dazzling light.
2. a fiercely or angrily piercing stare.
3. dazzling or showy appearance; showiness.
– verb
4. to shine with or reflect a very harsh, bright, dazzling light.
5. to stare with a fiercely or angrily piercing look.
6. to appear conspicuous; stand out obtrusively.