rattlebrain

noun

rat·​tle·​brain ˈra-tᵊl-ˌbrān 

: a flighty or thoughtless person

rattlebrained

ˈra-tᵊl-ˌbrānd 

adjective

Synonyms

• birdbrain
• cuckoo
• ditz
• featherbrain
• featherhead
• flibbertigibbet
• nitwit
• scatterbrain
• softhead

Examples of rattlebrain in a Sentence

in a medical situation of this seriousness we don't need some rattlebrain running around in a panic

Word History

First Known Use

1704, in the meaning defined above