If something is a showstopper, it is very impressive.
[informal, approval]
Her natural creativity and artistic talent make her home a real showstopper.
showstopper in British English
or show-stopper (ˈʃəʊstɒpə)
noun
1. informal
a stage act, etc, that receives so much applause as to interrupt the performance
2. to be a showstopper
showstopper in American English
(ˈʃoʊˌstɑpər)
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
Derived forms
showstopping (ˈshowˌstopping)
adjective or ˈshow-ˌstopping
Examples of 'showstopper' in a sentence
showstopper
A real floor-length showstopper we would all love to get our mitts on.
The Sun (2008)
So if you're after a real showstopper, this is the look for you.
The Sun (2009)
They have practised the signature and the showstopper bakes, but when they lift that checked cloth and look at the technical challenge, they are in agony.