We found 6 dictionaries that define the word as dull as dishwater:

General (2 matching dictionaries)

1. as dull as dishwater: Merriam-Webster
2. as dull as dishwater: TheFreeDictionary.com

Business (1 matching dictionary)

3. as dull as dishwater: Legal dictionary

Computing (1 matching dictionary)

4. as dull as dishwater: Encyclopedia

Medicine (1 matching dictionary)

5. as dull as dishwater: Medical dictionary

Miscellaneous (1 matching dictionary)

6. as dull as dishwater: Idioms

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