as in featherbrain
a silly flighty person in a medical situation of this seriousness we don't need some rattlebrain running around in a panic

Synonyms & Similar Words


Antonyms & Near Antonyms

Thesaurus Entries Near rattlebrain

Cite this Entry

“Rattlebrain.” Thesaurus, Merriam-Webster, Accessed 12 Jul. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!