Cancel/ˈkænsl/ Definition 1 of 4Pro Tip 1/3Unexpected Changes 'Cancel' often relates to unforeseen events interrupting plans. The flu outbreak forced the school to cancel the play. Pro Tip 2/3Disappointment Implied 'Cancel' can suggest disappointment or inconvenience. I was really looking forward to the picnic before they canceled it. Pro Tip 3/3Formal Notification Cancellations usually require notifying everyone involved. Please cancel our reservation for tonight and inform the guests.