- show-stopper, showstopper, stopper - an act so striking or impressive that the show must be delayed until the audience quiets down
--1 is a kind of act, routine, number, turn, bit
- show-stopper, showstopper - 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"
--2 is a kind of attraction, attractiveness