1. having accepted more reservations or appointments than can be accommodated

Examples

• The hotel was overbooked, so we had to find another place to stay.
• The airline overbooked the flight and asked for volunteers to take a later one.
• The restaurant was overbooked for Valentine’s Day dinner.
• My dentist’s office is always overbooked on Mondays.
• The conference room was overbooked with three meetings scheduled at the same time.
• Due to being overbooked, the cruise line offered passengers compensation.