1. a warning or piece of information given secretly or confidentially
Usage: informal
2. the start of a basketball game when the ball is thrown up between two opposing players
Usage: sports

Examples

• The police received an anonymous tipoff about the robbery.
• Acting on a tipoff from a neighbor, investigators searched the house.
• The basketball game begins with the tipoff at center court.
• Both teams gathered at midcourt for the opening tipoff.
• The reporter got a tipoff about the scandal from an inside source.
• The tipoff is scheduled for 7 PM tonight.
• Thanks to a tipoff, they were able to prevent the crime.