1. the time at which a theatrical performance, movie, or other entertainment begins
2. the moment when something important is about to happen or when one must perform
Usage: informal

Examples

• The showtime for tonight’s play is 8:00 PM.
• We need to arrive at the theater before showtime.
• The movie theater posts all showtimes on their website.
• It’s showtime – the presentation starts in five minutes.
• When the curtain rises, it’s showtime for the actors.
• The coach told the team it was showtime as they headed onto the field.
• Check the showtime schedule to see when the next screening begins.