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1 definition by Mister Know-it-all

Someone or something that goes against the mainstream and classification. An alternative person cannot be grouped as emo, punk, goth, prep, hippie, nerd, or any other stereotypical group.
Also refers to music. Alternative music is not part of any other genre. Therefore, it cannot be called grunge, punk, metal, pop , etc. Most alternative bands are indie.
by Mister Know-it-all January 04, 2006