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View synonyms for mad as a hatter
mad as a hatter
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Idioms and Phrases
Also, mad as a March hare . Crazy, demented, as in She is throwing out all his clothes; she's mad as a hatter . This expression, dating from the early 1800s, alludes to exposure to the chemicals formerly used in making felt hats, which caused tremors and other nervous symptoms. The variant, dating from the 14th century, alludes to the crazy behavior of hares during rutting season, mistakenly thought to be only in March.Discover More
Example Sentences
Never sang better than as mad-as-a-hatter heroine of Donizetti's Lucia di Lammermoor.
From Project Gutenberg
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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.
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