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Synonyms

bats

American  
[bats] / bæts /

adjective

Slang.
  1. insane; crazy.

    He's gone bats.


bats British  
/ bæts /

adjective

  1. informal crazy; very 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 bats

First recorded in 1915–20; see origin at bat 2, -s 3

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.

No one bats 1.000, of course, not even Andrew Friedman, the architect of the Dodgers’ three World Series titles since taking over as president of baseball operations in 2014.

From Los Angeles Times • Jun. 28, 2026

Three major Ebola viruses are known to infect humans, and researchers believe fruit bats are the natural source.

From Science Daily • Jun. 22, 2026

Two decades later, he says, bats continue to shun the cave, likely “a result of horror stories and dire warnings” that the storm’s few survivors have passed along to others.

From The Wall Street Journal • Jun. 19, 2026

Nash said a steel grill had been put into the side chamber in the cave to stop any vandalism to the art, so the only painting's only visitors are the bats who live there.

From BBC • Jun. 1, 2026

We strolled along the walkway between the road and the beach, past pushcarts piled high with corn and peanuts and hawkers selling multicolored plastic balls and cricket bats, flimsy kites, toys, dolls, pinwheels.

From "The Bridge Home" by Padma Venkatraman

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