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

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Recent Examples of Synonyms for crackbrain

Noun

The public reckonings with these figures’ legacies—the troubled former child star gone too soon, the beloved icon, the cult favorite, the complicated eccentric—have come in a cascade.

— Michael Schulman, New Yorker, 5 Sep. 2026
Make sure to practice a full range of motion with these and emphasize the eccentric (the way down) part of the movement for maximal time under tension and muscle-building stimulus.

— Jakob Roze, HEALTH, 19 Aug. 2026

Definition of eccentric

Noun

That dichotomy surely reflected, consciously or not on Schubert’s part, the circumstances of his life and contradictions of his character.

— Literary Hub, Literary Hub, 10 Sep. 2026
Row 34 is exceptional for its updates to New England seafood that revise original classics without losing their character.

— Condé Nast, Condé Nast Traveler, 9 Sep. 2026

Definition of character

Noun

The production’s winking tone blunts some of the original’s tear-jerking climax, yet its intact happy ending offers a surprisingly comforting vision of survival in an age of constant crises.

— Theater Critic, Los Angeles Times, 5 Sep. 2026
The new camera is designed to look like it was pulled directly from the 2000s (rather than the ’80s look of the original), with metallic silver and bubblegum pink options among the blind box shells.

— Jamie Spain, Condé Nast Traveler, 5 Sep. 2026

Definition of original

Noun

While Annie seemed like the odd duck out, her closest, idol-holding ally Alex seemed to be considering Sophi as his target, with the goal of taking out his bromance Jake’s other bestie.

— Nick Caruso, TVLine, 2 Oct. 2025
The Incredible Hulk' (2008) Before ultimately being replaced in other movies by Mark Ruffalo, Edward Norton starred as scientist Bruce Banner in this odd duck from the nascent MCU.

— Brian Truitt, USA Today, 25 July 2025

Definition of odd duck

Noun

Magnesium turns up in green leafy vegetables, nuts, seeds, dark chocolate and whole grains.

— Hanna Wickes, Charlotte Observer, 9 Sep. 2026
Millions of people live in or near bear habitat across the Rockies, where widespread drought has reduced supplies of nuts, berries and plants that bears eat.

— ABC News, ABC News, 8 Sep. 2026

Definition of nut

Noun

In the ever more precarious world of academia, the neck of the principled luddite crank might be particularly attractive when institutions swing the axe in the next round of layoffs.

— Dónal Gill, The Dial, 8 Sep. 2026
In 2022, a group calling itself the America First SOS Coalition endorsed a slate of cranks and quacks who ran for secretary of state in 14 states, including the presidential battlegrounds of Arizona, Georgia, Michigan, Nevada and Wisconsin.

— Los Angeles Times, Los Angeles Times, 6 Sep. 2026

Definition of crank

Noun

What if an upmarket pizzeria has red pepper flakes, but not her preferred chili oil?

— Maggie Hennessy, Bon Appetit Magazine, 1 Sep. 2026
Black Pepper Candied Bacon Fogo de Chão/MANNY RODRIGUEZ At Fogo de Chão, this delicious bacon dish is oven roasted with brown sugar, black pepper, and red pepper flakes.

— Aly Walansky, Forbes.com, 29 Aug. 2026

Definition of flake

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 10 Sep. 2026.

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Synonyms of crackbrain

noun

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