mad as a hatter

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• Received-Pronunciation: /ˌmæd æz ə ˈhætə/
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• US: /ˌmæd æz ə ˈhætɚ/
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• US: Recorded audio is listed in the source snapshot.
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• Australia: Recorded audio is listed in the source snapshot.
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First recorded 1829. Of uncertain origin, though usually explained as referring to hat-makers suffering from Erethism due to handling mercury-contaminated felt. Derivation from Old English ātor (“poison”) or its descendant English atter lacks evidence.

18 source translations are retained for this English entry.

• Dutch: stapelgek — demented or crazy
• Dutch: gek als een deur — demented or crazy
• Finnish: pähkähullu — demented or crazy
• Hungarian: sült bolond — demented or crazy
• Hungarian: teljesen bolond — demented or crazy
• Icelandic: bandvitlaus — demented or crazy
• Italian: fuori di testa — demented or crazy
• Italian: fuori come un balcone — demented or crazy
• Italian: matto da legare — demented or crazy
• Russian: спя́тивший (spjátivšij) — demented or crazy
• Russian: не в своём уме́ (ne v svojóm umé) — demented or crazy
• Russian: вы́живший из ума́ (výživšij iz umá) — demented or crazy
• Spanish: más loco que una cabra — demented or crazy
• Spanish: como una chota — demented or crazy
• Spanish: como una regadera — demented or crazy
• Swedish: skogstokig — demented or crazy
• Swedish: spritt språngande galen — demented or crazy
• Swedish: skvatt galen — demented or crazy