(as) dull as dishwater
idiom
US, informal
: very boring or dull
The conversation was as dull as dishwater.
Examples of (as) dull as dishwater in a Sentence
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Despite the midcentury flair, the film is dull as dishwater visually.
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Katie Walsh, Twin Cities, 24 July 2025
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Katie Walsh, Twin Cities, 24 July 2025
Cite this Entry
“(as) dull as dishwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/%28as%29%20dull%20as%20dishwater. Accessed 31 Oct. 2025.
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