'goofy' definitions:

Definition of 'goofy'

From: WordNet
adjective
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]
noun
A cartoon character created by Walt Disney

Definition of 'goofy'

From: GCIDE
  • goofy \goofy\ adj. foolish and silly, or appearing silly; as, he wore a goofy hat.
  • Syn: cockamamie, cockamamy, fool(prenominal), sappy, silly, wacky, zany, unreasonable. [WordNet 1.5 +PJC]