Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Adjective: rattlebrained  'ra-t(u)l,breynd
  1. Lacking sense or discretion
    "his rattlebrained crackpot ideas";
    - rattlepated, scatterbrained, scatty [Brit, informal]

See also: daft [Brit, informal], dumb, foolish, imbecile, imbecilic, stupid