WordWeb Online

1. Effusively or insincerely emotional
   "a bathetic novel";
   - drippy [informal], hokey [N. Amer, informal], maudlin, mawkish, kitschy, mushy [informal], schmaltzy [informal], schmalzy [informal], sentimental, sappy [informal], soppy [Brit, informal], soupy [informal], slushy [informal], cutesy [informal], gooey [informal], corny [informal], weepy [informal], cheesy [informal]
    
2. Of or relating to a sudden change from an impressive to a ludicrous style
   - anticlimactic, anticlimactical

See also: cornball [N. Amer, informal], emotional, lovey-dovey [informal]

Encyclopedia: Bathetic