1. looked angrily or threateningly with a scowling expression
Usage: past tense of ‘glower’

Examples

• The teacher glowered at the students who were talking during the test.
• He glowered from across the room when his name wasn’t called.
• She glowered at her brother after he broke her favorite mug.
• The storm clouds glowered overhead, threatening rain.
• The angry customer glowered at the cashier over the long wait.
• Dad glowered when he saw the mess we had made in the kitchen.