Dull As Dishwater (or Ditchwater)

Meaning of Idiom ‘Dull as Dishwater’ To be as dull as dishwater (or ditchwater) is to be extremely boring and tedious. Usage Dishwater is the more common usage today but both dishwater and ditchwater can be used interchangeably in the idiom. Examples Of Use “The Professor’s lecture was as dull as dishwater.” “I don’t know … Read more