Dictionary.com
Thesaurus.com
Synonyms

batty

American  
[bat-ee] / ˈbæt i /

adjective

Slang.
battier, battiest

  1. insane; crazy; eccentric.

batty British  
/ ˈbætɪ /

adjective

  1. insane; crazy

  2. odd; 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

Other Word Forms

  • battiness noun

Etymology

Origin of batty

bat 2 + -y 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.