dimwittedness
nounUK /dɪmˈwɪtədnəs/
Etymology From dimwitted + -ness.
1
The state or condition of being dimwitted.
- His character, despite the dimwittedness, is the one you’re still pondering on the way home.2008 June 18, Neil Genzlinger, “A Two-Man, One-Woman Crime Wave”, in New York Times: