nonstyle

nonstyle

(ˈnɒnˈstaɪl)
n
(Clothing & Fashion) a style that cannot be identified as such
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
this would be a] point of nonstyle where one can finally say, "What is it I have been doing all my life?"....
Yet there's a way in which even that nonstyle style truly becomes her.
The new parts exhibit what is meant to be a nonstyle, but inevitably the signature shows through, and for the visually-led becomes the focus of attention.