Definition of Sappy

Adjective: sappy (sappier,sappiest) sa-pee

Ludicrous, foolish
"gave me a sappy reason for not going";
- cockamamie [N. Amer], cockamamy [N. Amer], goofy, silly, wacky, whacky, zany
Abounding in sap
"sappy maple trees"; "sappy kindling wood"
[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