We found 12 dictionaries that define the word as clear as mud:

General (7 matching dictionaries)

1. as clear as mud: Merriam-Webster
2. as clear as mud: Oxford Learner's Dictionaries
3. as clear as mud: TheFreeDictionary.com
4. as clear as mud: Longman Dictionary of Contemporary English
5. as clear as mud: Merriam-Webster

Business (2 matching dictionaries)

6. as clear as mud: Legal dictionary
7. as clear as mud: Financial dictionary

Computing (1 matching dictionary)

8. as clear as mud: Encyclopedia

Medicine (1 matching dictionary)

9. as clear as mud: Medical dictionary

Miscellaneous (1 matching dictionary)

10. as clear as mud: Idioms

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