#1
showstopper n. [
show-stopper, stopper] an act so striking or impressive that the show must be delayed until the audience quiets down
. wn #2
showstopper n. [
show-stopper] something that is strikingly attractive or has great popular appeal; "she has a show-stopper of a smile"; "the brilliant orange flowers against the green foliage were a showstopper"
. wn