mad as a hatter
English
/ˌmæd æz ə ˈhætə/, /ˌmæd æz ə ˈhætɚ/
adj
Definitions
- Demented or crazy.
Etymology
Derived from Old English ātor (poison).
Origin
Old English
ātor
Gloss
poison
Concept
Semantic Field
The body
Ontological Category
Person/Thing