1. A person, as an artist or writer, who lives and acts free of regard for conventional rules and practices. 2. One who loves a wandering or carefree, live-and-let-live life.
"Someone who tries to live by the ideals of truth, freedom, love, and all those beautiful-sounding concepts. Someone who kinda does their own thing and as a consequence has kinda their own fashion sense." [definition on Urban Dictionary]
"Somebody who leads an alternative lifestyle, they are not hippies because they can have an extremely wide range of different tastes in music, fashion, art, literature, etc. They are usually very creative people. they are above all optimists, even if they can be very cynical, too (it does make sense...sort of). They like wearing a mixture of colorful, fun clothes and mix different fashions together just for the heck of it. Generally very laid back and relaxed." [definition on Urban Dictionary]
An individual looked upon in society as strange and different. Imagination controls a Bohemian's life, a lot of the time destroying them in the process. Bohemians care very little for money and (some) stay secluded spending their lives creating art, music and literature. Without Bohemians, the world would be a complete bore. [definition on Urban Dictionary]