Definition of RATTLEBRAIN

a silly flighty person <in a medical situation of this seriousness we don't need some rattlebrain running around in a panic>
Related Words fool, goose, silly, simpleton
Antonyms sobersides

Seen & Heard

What made you want to look up rattlebrain? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More