Source : WordNet®

unappealing
     adj 1: (of characters in literature or drama) tending to evoke
            antipathetic feelings; "all the characters were
            peculiarly unsympathetic" [syn: {unsympathetic}, {unlikeable},
             {unlikable}] [ant: {sympathetic}]
     2: not able to attract favorable attention; "they have made the
        place as unappealing as possible"; "was forced to talk to
        his singularly unappealing hostess" [ant: {appealing}]