unconventionally

US /ˌʌn.kənˈven.ʃən.əl.i/
UK /ˌʌn.kənˈven.ʃən.əl.i/
1.

unkonventionell

in a way that is different from what is usually done or believed:

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The documentary takes a look at the good and bad sides of growing up unconventionally.