0 present participle of glower --
1 to look very angry, annoyed, or threatening: --
Outside the bank stood two glowering groups of armed men.
When his mask is removed, his form is revealed to be a glowering, dark villain.
Sunsets, glowering storm clouds and blazing glories appear behind the figures.
Across the narrow ridge-top to the north are deep corries and dark walls of crag, glowering down over the lake.
If an atmosphere of parties glowering over the table is generated, no agreement can take place, and that is hopeless and inimical to any hope of price control.
What matters is that the security and customs officials who examine one's passport and baggage are now welcoming instead of glowering.
All that we could do is stand glowering at the edge, resentful, apprehensive and lonely.
In its present form that building is a great, glowering mass.