Liberal Dictionary English Dictionary
noun
- dull as dishwater/ditchwater, extremely dull; boring.
noun
- water in which dishes and kitchen utensils are or have been washed
- something resembling thisthat was dishwater, not coffee
also dish-water, “water where dishes have been washed,” late 15c., from dish (n.) + water (n.). Used figuratively of weak broth, coffee, etc., from 1719.
see dull as dishwater.