Definitions for unappealing
Random House Webster's College Dictionary
unsympathetic, unappealing, unlikeable, unlikable(adj)
(of characters in literature or drama) tending to evoke antipathetic feelings
"all the characters were peculiarly unsympathetic"
not able to attract favorable attention
"they have made the place as unappealing as possible"; "was forced to talk to his singularly unappealing hostess"