1. in a bad-tempered, unfriendly, or bitter manner

Examples

• She looked at him sourly when he interrupted her presentation.
• The customer sourly complained about the long wait time.
• He sourly remarked that nothing ever went right in this office.
• The coach sourly criticized the team’s poor performance.
• She sourly refused to participate in the group activity.
• The old man sourly muttered under his breath about the noise.