uninvolved
1. [ adjective ] not involved
Examples:

"being uninvolved he remained objective"

Related terms: involved unconcerned
2. [ adjective ] showing lack of emotional involvement
Synonyms: detached degage
Examples:

"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"

Related terms: unconcerned
Similar spelling:   uninvited
  uninvitedly
  uninformed
  unenforced
  uninviting
  uninventive