Definition of cockamamie adjective from the Oxford Advanced Learner's Dictionary



(also cockamamy) adjective
BrE BrE//ˈkɒkəmeɪmi//
; NAmE NAmE//ˈkɑːkəmeɪmi//
(North American English, informal)
jump to other results
(of an idea, a story, etc.) silly; not to be believed Word Origin1940s (originally denoting a design left by a transfer): probably an alteration of decalcomania, the process of transferring a design from paper to porcelain or glass.
See the Oxford Advanced American Dictionary entry: cockamamie