What is another word for more rattlebrained?
Pronunciation: [mˈɔː ɹˈatə͡lbɹˌe͡ɪnd] (IPA) 
"More rattlebrained" is an expression that can be used to describe someone who is highly distractible or has a scattered mind. When seeking synonyms for this expression, one can consider using words such as flighty, ditzy, scatterbrained, or absent-minded. These words all indicate a tendency to have difficulty focusing on tasks or staying organized in thought processes. Another possibility could be to use words such as whimsical, fanciful, or capricious, which suggest a more dreamy, impractical mindset. Ultimately, the choice of synonym will depend on the desired tone and connotation for a given context.
