mad as a hatter

Adjective

Meaning

mad as a hatter (not comparable)

Demented or crazy.

Source: en.wiktionary.org

Synonyms

gonzo disturbed insane delusional crazed nutty moonstruck nuts raving buffoonish loopy round the bend brainsick unhinged certifiable
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Antonyms

sound stable wise coherent sensible sober
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Examples

Sometimes I feel sure he is as mad as a hatter and then, just as he is at his maddest, I find there is a method in his madness. Agatha Christie

There is a place. Like no place on Earth. A land full of wonder, mystery, and danger! Some say to survive it: You need to be as mad as a hatter. Which luckily I am. Lewis Carroll

By contrast, bioaccumulation refers to uptake from all sources combined (e.g. water, food, air, etc.) Examples An example of poisoning in the workplace can be seen from the phrase " as mad as a hatter " (18th and 19th century England). Source: Internet

Zhao, Zhu & Sui 2006 The phrase "mad as a hatter" is likely a reference to mercury poisoning among milliners (so-called " mad hatter disease "), as mercury-based compounds were once used in the manufacture of felt hats in the 18th and 19th century. Source: Internet

Close letter words and terms

mad as a brush mad as a cut snake mad as a fish mad as a hornet mad as a March hare mad as a meat axe