WordWeb Online

1. Ludicrous, foolish
   "gave me a sappy reason for not going";
   - cockamamie [N. Amer], cockamamy [N. Amer], goofy, silly, wacky, whacky, zany
    
2. Abounding in sap
   "sappy maple trees"; "sappy kindling wood"
    
3. [N. Amer] Effusively or insincerely emotional
   "a sappy novel";
   - bathetic, drippy, hokey [N. Amer], maudlin, mawkish, kitschy, mushy, schmaltzy, schmalzy, sentimental, soppy, soupy, slushy, gooey, cutesy, cheesy

Derived forms: sappier, sappiest

See also: cornball [N. Amer], daft, dumb, emotional, foolish, juicy, lovey-dovey, stupid

Encyclopedia: Sappy