DITSY

Bubble-headed

• A little loopy

• Addlebrained

• Air-headed

• Clueless

• Easily addled

• Easily confused

• Eccentric to be kind

• Empty-headed

• Flaky

• Flibbertigibbety

• Flighty, in slang

• Inanely silly

• Lightheaded

• Like a space cadet

• Like an airhead

• Like an eccentric uncle

• Like one whose elevator doesn't go all the way to the top

• Like Phoebe on Friends

• Not at all analytical

• Not very logical

• Rattlebrained

• Scatterbrained

• Wacko