CRACKBRAIN Synonyms: 41 Similar and Opposite Words

crackbrain

noun

ˈkrak-ˌbrān

Definition of crackbrain

as in eccentric

a person of odd or whimsical habits a crackbrain who wore bedroom slippers to the grocery shop

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for crackbrain

Noun

With its loose ends and digressions, Dream Me a Dream stays true to those idiosyncratic instincts while retaining enough of the welcoming glow of Dance of Love to make this an affecting farewell from an endearing eccentric.

— Stephen Thomas Erlewine, Pitchfork, 22 June 2026
The eccentric cuz is quick to try and help Bobby solve problems, which often gets him into trouble, but ultimately pushes him out of his shell.

— Skyler Trepel, Entertainment Weekly, 20 June 2026

Definition of eccentric

Noun

Wicked Wonderland follows 2024’s The Rise of Red, where Cantrall’s character and Cinderella’s daughter Chloe (Malia Baker) team up to go back in time and reverse the event that resulted in the Queen of Hearts’ evil path.

— Gabrielle Rockson, PEOPLE, 15 July 2026
What saves Hyperdrive is the dry humour and the slightly insane set and character design.

— William Worrall, Space.com, 15 July 2026

Definition of character

Noun

According to Variety, tracking services now forecast that the movie will actually debut to between $60 million and $65 million giving it ticket sales that are barely above the original, which opened to $56 million.

— Caroline Reid, Forbes.com, 10 July 2026
Designed by Eduardo Suarez, the new restaurant is bright and eye-pleasing, with more space than the original.

— Miami Herald, Miami Herald, 10 July 2026

Definition of original

Noun

Protein powder, Greek yogurt, berries, spinach and nut butter.

— Lauren Jarvis-Gibson July 15, Miami Herald, 16 July 2026
The robot’s success rate at a self-tapping nut loading station has reached 98 percent, reducing the gap with human workers’ qualification rate to just one percentage point.

— Jijo Malayil, Interesting Engineering, 15 July 2026

Definition of nut

Noun

The firefighters ultimately used a hand crank to move the elevator, and Wallace told the outlet that the museum gave the everyone lifetime free passes in return.

— Liza Esquibias, USA Today, 10 July 2026
The crank makes opening and closing easy, and the cloth is UV-resistant and waterproof.

— Shea Simmons, Southern Living, 3 July 2026

Definition of crank

Noun

By the early 1990s, Eugene had earned itself a reputation as a beacon of progressive-minded irreverence, drawing a pungent mix of weirdos, iconoclasts, and freethinkers.

— Literary Hub, Literary Hub, 10 July 2026
Generation after generation of cretins and weirdos become Ramones lovers.

— SPIN Staff, SPIN, 7 July 2026

Definition of weirdo

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.

Browse Nearby Words

crack

crackbrain

crackbrained

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“Crackbrain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/crackbrain. Accessed 18 Jul. 2026.

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Synonyms of crackbrain

noun

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