Related Clues:

• A little loopy
• Featherbrained
• Rattlebrained
• Flaky
• Not at all analytical
• Eccentrically foolish
• Like a space cadet
• Flighty
• Scatterbrained (var.)
• Easily confused (Var.)
• Airheaded (var.)
• Like a dingbat
• Eccentric, to be kind
• Like a flibbertigibbet
• Like a rattlebrain