Wordnet 3.0
ADJECTIVE (1)
1. 
 ludicrous, foolish; 
- Example: "gave me a cockamamie reason for not going"- Example: "wore a goofy hat"- Example: "a silly idea"- Example: "some wacky plan for selling more books"[syn: cockamamie, cockamamy, goofy, sappy, silly, wacky, whacky, zany]
WordNet (r) 3.0 (2006):
cockamamy
    adj 1: ludicrous, foolish; "gave me a cockamamie reason for not
           going"; "wore a goofy hat"; "a silly idea"; "some wacky
           plan for selling more books" [syn: cockamamie,
           cockamamy, goofy, sappy, silly, wacky,
           whacky, zany]