crackbrained vs dilly

crackbrained

adj

  • Idiotic. 

dilly

adj

  • Silly; characteristic of a dill. 

  • Redolent of dill (the herb). 

noun

  • Someone or something that is remarkable or unusual. 

  • A dilly bag. 

How often have the words crackbrained and dilly occurred in a corpus of books? (source: Google Ngram Viewer )