bat·​ty | \ ˈba-tē How to pronounce batty (audio) \
battier; battiest

Definition of batty

1 : of, relating to, or resembling a bat
2 : mentally unstable : crazy

Keep scrolling for more

Other Words from batty

battiness noun

Examples of batty in a Sentence

a batty old lady who lives with 100 cats
Recent Examples on the Web Yet Dujardin’s commitment to his batty character is unflinching. Mark Olsenstaff Writer, Los Angeles Times, "Indie Focus: A lost voice returns with ‘The Half of It’," 1 May 2020 Yet Dujardin’s commitment to his batty character is unflinching. Jeannette Catsoulis, New York Times, "‘Deerskin’ Review: Swayed by Suede," 30 Apr. 2020 If a bat virus similar to RaTG13 got into an animal already infected with a coronavirus which boasted an RBD better suited to infecting humans, a basically batty virus with a more human-attuned RBD might well arise. The Economist, "The origin of covid-19 The pieces of the puzzle of covid-19’s origin are coming to light," 2 May 2020 The Batty caves are not now notably batty but were undeniably home to batty occupants around 1964. John Phillips, Car and Driver, "Tested: 1995 Land Rover Defender 90 Goes Nowhere, Man," 24 Mar. 2020 There’s no shortage of creatively batty jokes, all inspired by popularly festive motifs like witches, skeletons, and ghosts, oh my! Blair Donovan, Country Living, "64 Halloween Puns for Giving All Your Ghoul Friends a Good Cackle," 18 July 2019 Of course, the spectre of a batty old man with a cell phone has taken on geopolitical significance in 2019, when a Presidential tweet has the power to jolt markets and disrupt the global order. Jody Rosen, The New Yorker, "Rudy Giuliani and the Butt-Dialler Within All of Us," 5 Nov. 2019 Even in a White House system engineered to respond quickly and authoritatively to a president’s whims, questions, or orders, no one knew what to do with an idea so obviously batty. Garrett M. Graff, WIRED, "America's Decades-Old Obsession With Nuking Hurricanes (and More)," 26 Aug. 2019 For nearly a century, critics have accused Boas and his successors of everything from justifying immorality to furthering the batty idea that the United States might not be the greatest country that has ever existed. Charles King, Washington Post, "The anthropologists who upended the ‘science’ of white supremacy," 2 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'batty.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of batty

1600, in the meaning defined at sense 1

Keep scrolling for more

Learn More about batty

Time Traveler for batty

Time Traveler

The first known use of batty was in 1600

See more words from the same year

Statistics for batty

Last Updated

26 May 2020

Cite this Entry

“Batty.” Dictionary, Merriam-Webster, Accessed 29 May. 2020.

Keep scrolling for more

More Definitions for batty


How to pronounce batty (audio)

English Language Learners Definition of batty

: foolish or silly


bat·​ty | \ ˈba-tē How to pronounce batty (audio) \
battier; battiest

Kids Definition of batty

Keep scrolling for more

More from Merriam-Webster on batty

Thesaurus: All synonyms and antonyms for batty

Rhyming Dictionary: Words that rhyme with batty

Spanish Central: Translation of batty

Nglish: Translation of batty for Spanish Speakers

Comments on batty

What made you want to look up batty? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

May 2020 Words of the Day Quiz

  • a blooming wisteria tree
  • Which is a synonym of exiguous?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!