Source : WordNet®

uninvolved
     adj 1: not involved; "being uninvolved he remained objective" [ant:
             {involved}]
     2: showing lack of emotional involvement; "adopted a degage
        pose on the arm of the easy chair"- J.S.Perelman; "she may
        be detached or even unfeeling but at least she's not
        hypocritically effusive"; "an uninvolved bystander" [syn:
        {degage}, {detached}]