[adj] abounding in sap; "sappy maple trees"; "sappy kindling wood"
[adj] (informal terms) "gave me a cockamamie reason for not going"; "wore a goofy hat"; "a silly idea"; "some wacky plan for selling more books"
Synonyms
cockamamie, cockamamy, fool(a), foolish, goofy, juicy, silly, unreasonable, wacky, whacky, zany