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screwball

American  
[skroo-bawl] / ˈskruˌbɔl /

noun

  1. Slang. an eccentric or irrational person; a nut.

    When the FBI first looked into him, they thought he was a harmless screwball.

  2. Baseball. a pitched ball that curves toward the side of the plate from which it was thrown, in a trajectory opposite to that of a curve ball.

    Has the once popular screwball vanished completely from the major leagues?


adjective

  1. Slang. eccentric or irrational; nutty.

    What a screwball idea!

screwball British  
/ ˈskruːˌbɔːl /

noun

  1. an odd or eccentric person

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. odd; zany; eccentric

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of screwball

First recorded in 1865–70; in 1935–40 screwball for def. 2; screw + ball 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In “Trouble,” she buzzes with nervous energy, her dizzying delivery of Raphaelson’s smart dialogue creating the template for the screwball heroines soon to follow.

From The Wall Street Journal • Apr. 10, 2026

Hollywood thrived in this tough decade partly by catering to people’s need for fantasy and escapism, through screwball comedies, adventure stories and the elaborate musicals of Fred Astaire and Ginger Rogers.

From The Wall Street Journal • Mar. 21, 2026

Which is where “Good Fortune,” for all its grasp of how Depression-era screwball comedies made the filthy rich mockable, struggles to match its issue-driven humor with its fix-it heart.

From Los Angeles Times • Oct. 17, 2025

Before that, though, she inevitably reached back for “Call Me Maybe,” delivering the song while pulling daffy faces that made her look like the star of some forgotten ’30s screwball comedy.

From Los Angeles Times • Aug. 20, 2025

“No, and neither does a screwball like you,” George said, looking at the watering eye behind the monocle and the moistness at the mouth of the beard.

From "A Confederacy of Dunces" by John Kennedy Toole

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