rattlebrain

noun

ˈra-tᵊl-ˌbrān How to pronounce rattlebrain (audio)
Definition of rattlebrainnext
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

Relevance

Antonyms & Near Antonyms

Examples Sentences

Recent Examples of Synonyms for rattlebrain
  1. fool
  2. goose
  3. cuckoo
  4. flibbertigibbet
  5. ditz
Noun
  • Death comes for us all, but not before time makes fools of us first.
    Jon Blistein, Rolling Stone, 19 Nov. 2024
  • Being thought of as cool is a little bit of a fool’s errand for parents and other adults when coolness, like language itself, is a moving target.
    R. Eric Thomas, The Mercury News, 15 Nov. 2024
Definition of fool
Noun
  • It's stuffed with European white goose down and available in lightweight, all-season, and ultra warm options.
    Erika Owen, Architectural Digest, 18 Nov. 2024
  • Who wouldn’t want an oversized goose statue in their house?
    Ashley Thess, Outdoor Life, 17 Oct. 2024
Definition of goose
Noun
  • For evolutionary biologists, the term cuckoldry originated to describe cuckoo birds who lay their eggs in other species’ nests, leaving their offspring to be unknowingly raised by foster parents.
    Brooke Scelza, Scientific American, 19 Sep. 2024
  • The loss of common cuckoos, meanwhile, means that spring arrives in the U.K. without its iconic song.
    Jared Del Rosso, The Conversation, 22 Oct. 2024
Definition of cuckoo
Noun
  • Duvall is a big reason why: All the film’s insights into the slipperiness of identity are there in her casually virtuosic, veritable dual performance, in which a funny flibbertigibbet loses hold of herself as the world around seems to splinter into something frighteningly new.
    A.A. Dowd, Vulture, 19 July 2024
  • Projects about Monroe have handled her personal life to varying degrees of success, often leaning into her flibbertigibbet persona, her struggles with addiction, and the paradox of her oozing sexuality and her little girl brokenness.
    Maureen Lee Lenker, EW.com, 24 Jan. 2023
Definition of flibbertigibbet
Noun
  • Her foothold in the entertainment industry firmly established, Grande soon landed her breakthrough role as the loveable ditz Cat Valentine on Nickelodeon’s Victorious.
    Stephen Daw, Billboard, 17 Oct. 2024
  • Allen’s dramatic assertions about the lusts of movie men for a nubile young woman are matched by his contemptuous depiction of her as a ditz out of her depth, especially as compared to the soulful rebel Gatsby, who throws her over for a younger girl (Gomez).
    Richard Brody, The New Yorker, 3 Apr. 2024
Definition of ditz
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Thesaurus Entries Near rattlebrain

rattle

rattlebrain

rattlebrains

See More Nearby Entries 

Cite this Entry

“Rattlebrain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rattlebrain. Accessed 3 Dec. 2024.

Copy Citation

Share

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

Popular in Grammar & Usage

See All

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Plural and Possessive Names: A Guide

The Difference Between 'i.e.' and 'e.g.'

Why is '-ed' sometimes pronounced at the end of a word?

What's the difference between 'fascism' and 'socialism'?
See All

Popular in Wordplay

See All

Terroir, Oenophile, & Magnum: Ten Words About Wine

8 Words for Lesser-Known Musical Instruments

10 Words from Taylor Swift Songs (Merriam's Version)

9 Superb Owl Words

15 Words That Used to Mean Something Different
See All

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
sweet smart pug puppy dog sitting in front of blackboard with chalk question marks
Commonly Confused Words Quiz Vol. 3 Do you have a (flare/flair) for choosing the righ...