Definitions of bohemian:

noun: a nonconformist writer or artist who lives an unconventional life
noun: a native or inhabitant of Bohemia in the Czech Republic
noun: a member of a nomadic people originating in northern India and now living on all continents
adjective: of or relating to Bohemia or its language or people
adjective: unconventional in especially appearance and behavior
Example: "A bohemian life style"