Showstopper

Pronunciation: /ˈʃoʊˈstɑpɝ/

Showstopper (noun)

  1. A performance or event moment that is so impressive it stops people from moving or talking.
  2. The most exciting part of an event, product, or plan that draws the most attention.
  3. A problem that stops progress and cannot be ignored, especially in a plan or project.

Examples

  • The power outage became a showstopper for the whole show.
  • Her illness was a showstopper, so the rehearsal stopped early.