humdrumness en · NOUN
Etymology
From humdrum + -ness.
Meanings
-
(uncountable) The quality of being humdrum; mundanity.
Most striking about their relationship is not Mrs. Pugach’s lingering resentment, not her husband’s less-than-evident remorse, and not even their mutual dependence, but the marriage’s frank descent into humdrumness.
2007 May 27, Ruth La Ferla, “What’s Love Got to Do With It?”, in New York Times: