WordWeb Online

1. Effusively or insincerely emotional
   "sentimental soap operas";
   - bathetic, drippy [informal], hokey [N. Amer, informal], maudlin, mawkish, kitschy, mushy [informal], schmaltzy [informal], schmalzy [informal], sappy [informal], soppy [Brit, informal], soupy [informal], slushy [informal], cutesy [informal], gooey [informal], corny [informal], weepy [informal], cheesy [informal]
    
2. Given to or marked by sentiment or sentimentality

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

Encyclopedia: Sentimental