different between antifashion vs antifashionable

English

anti- +? fashion

antifashion (usually uncountable, plural antifashions)

Any fashion that is intentionally contrary to the mainstream.
- 1995, Toby Fischer-Mirkin, Dress code: understanding the hidden meanings of women's clothes
  Antifashion as a means of social defiance goes back to Marie Antoinette, the dandies, the bohemians of Lautrec's Paris...

antifashion (not comparable)

anti- +? fashionable

antifashionable (comparative more antifashionable, superlative most antifashionable)

Send