(as) dull as dishwater

US /əz dʌl əz ˈdɪʃˌwɔtər/
UK /əz dʌl əz ˈdɪʃˌwɔtər/
"(as) dull as dishwater" picture
1.

oersaai, doodsaai

very boring or uninteresting

:
The movie was as dull as dishwater, I almost fell asleep.
De film was oersaai, ik viel bijna in slaap.
His presentation was as dull as dishwater, full of facts but no passion.
Zijn presentatie was oersaai, vol feiten maar zonder passie.