We found 7 dictionaries that define the word as mad as a hatter:

General (2 matching dictionaries)

1. as mad as a hatter: TheFreeDictionary.com
2. As mad as a hatter: Phrase Finder

Business (2 matching dictionaries)

3. as mad as a hatter: Legal dictionary
4. as mad as a hatter: Financial dictionary

Computing (1 matching dictionary)

5. as mad as a hatter: Encyclopedia

Medicine (1 matching dictionary)

6. as mad as a hatter: Medical dictionary

Miscellaneous (1 matching dictionary)

7. as mad as a hatter: Idioms

▸ Words similar to as mad as a hatter ▸ Usage examples for as mad as a hatter ▸ Idioms related to as mad as a hatter ▸ Wikipedia articles (New!) ▸ Words that often appear near as mad as a hatter ▸ Rhymes of as mad as a hatter ▸ Invented words related to as mad as a hatter