screwy

[ skroo-ee ]
/ ˈskru i /

adjective, screw·i·er, screw·i·est. Slang.

crazy; nutty: I think you're screwy, refusing an invitation to the governor's dinner.
disconcertingly strange: There's something screwy about his story.
absurdly peculiar or impractical; ridiculous: screwy ideas.

Origin of screwy

First recorded in 1810–20; screw + -y1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for screwy

screwy

/ (ˈskruːɪ) /

adjective screwier or screwiest

informal odd, crazy, or 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