showstopper

Definition of Showstopper in English :

1. show-stopper, showstopper, stopper

an act so striking or impressive that the show must be delayed until the audience quiets down

2. show-stopper, showstopper

something that is strikingly attractive or has great popular appeal

Example Sentences:
'she has a show-stopper of a smile'
'the brilliant orange flowers against the green foliage were a showstopper'

WordNet Lexical Database for English. Princeton University. 2010.

Showstopper

noun

1. informal

a stage act, etc, that receives so much applause as to interrupt the performance

2. to be a showstopper

noun

1.

a song or sequence in a musical theater production, show, etc. so exciting or impressive that applause from the audience interrupts the performance

2.

anything so exciting, impressive, showy, etc. that it attracts much attention

n.
Informal

1. A performance or performer that evokes so much applause from the audience that the show is temporarily interrupted.

2. A particularly arresting person or thing, especially one that draws attention away from others or brings a course of action to a halt.