- The definition of goofy is someone or something that is silly.
An example of something goofy is a child making funny noises and laughing.
goofy definition by Webster's New World
goofy definition by American Heritage Dictionary
adjective goof·i·er, goof·i·est Informal
Silly; ridiculous: a goofy hat.
- goofˈi·ly adverb
- goofˈi·ness noun