(as) dull as dishwater

idiom
Updated on: 15 Nov 2017

Definition of (as) dull as dishwater

US, informal
: very boring or dull
  • The conversation was as dull as dishwater.

Word by Word Definitions

dull play
  1. : mentally slow : stupid

  2. : slow in perception or sensibility : insensible

  3. : lacking zest (see zest 2) or vivacity : listless

  1. : to make dull

  2. : to become dull

dishwater play
  1. : water in which dishes have been or are to be washed


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