mad as a hatter

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

First recorded 1829. Of uncertain origin, though usually explained as referring to hat-makers suffering from Korsakoff's syndrome due to handling mercury-contaminated felt. Derivation from Old English ātor (poison) or its descendant English atter lacks evidence.

Pronunciation[edit]

Adjective[edit]

mad as a hatter (not comparable)

  1. Crazy or demented.

Synonyms[edit]

Related terms[edit]

Translations[edit]