1) Addled 2) Airheaded 3) Ditsy 4) Ditzy 5) Empty headed 6) Foolish 7) Goosy 8) Irresponsible 9) Rattlebrained 10) Rattlepated 11) Scatty 12) Witless 1) Foolish 2) Guided by whim and fancy 3) Lacking sense or discretion 4) Rattlebrained 5) Rattlepated 6) Scatty