1. a statement expressing dissatisfaction or annoyance about something
2. a formal allegation or charge against someone
Usage: legal
3. an illness or medical condition
Usage: medical

Examples

• She filed a complaint with the manager about the poor service.
• The customer’s main complaint was about the long wait time.
• He lodged a formal complaint against his neighbor for noise violations.
• The police received several complaints about loud music.
• Her only complaint about the hotel was the uncomfortable bed.
• The doctor asked about any complaints or symptoms she was experiencing.
• Back pain is a common complaint among office workers.