From Longman Dictionary of Contemporary Englishshow-stoppingˈshow-ˌstopping adjective APGOOD/EXCELLENTa show-stopping performance is extremely good or impressive a show-stopping dance routine —show-stopper noun [countable]
Examples from the Corpus
show-stopping• Wilkens delivers a show-stopping performance as the batty Madame Arcati.• In some of the show-stopping solos, the dancers even danced on their hands. 