- unsympathetic, unappealing, unlikeable, unlikable - (of characters in literature or drama) tending to evoke antipathetic feelings; "all the characters were peculiarly unsympathetic"
- unappealing - not able to attract favorable attention; "they have made the place as unappealing as possible"; "was forced to talk to his singularly unappealing hostess"
Antonyms: appealing, attention-getting, catchy, attractive