smarminess

/ˈsmɑrmɪnəs/
noun
  1. The quality of being insincerely polite or charming.
    • I was put off by the smarminess in his voice when he asked for a favor.
    • The movie critic hated the smarminess of the romantic comedy's lead character.
    • The smarminess of the salesman made me want to leave the store immediately.
Antonyms