American Dictionary
Definition (as) mad as a hatter/March hare in American English
(as) mad as a hatter/March hare phrase
phraseAlthough neither phrase was coined by Lewis Carroll, they became more popular as a result of his children’s story Alice’s Adventures in Wonderland. Two of the characters Alice meets are a hatter and a March hare, both of whom behave very strangely.
Synonyms and related words
