1. having been called off or stopped from happening
2. having been marked or stamped to show that something cannot be used again

Examples

• The flight was canceled due to bad weather.
• All canceled checks were returned to the bank.
• The concert has been canceled until further notice.
• She kept the canceled stamps in her collection.
• The canceled meeting was rescheduled for next week.
• The postmark showed the canceled envelope clearly.
• Due to low enrollment, the class was canceled.