addleheadedness en · NOUN
Etymology
From addleheaded + -ness.
Meanings
-
(uncountable) The quality of being addleheaded.
I've talked with him a couple of times, and he's not so stupid that he'd state such things out of sheer addleheadedness.
1983, Arvo Tuominen, Piltti Heiskanen, The Bells of the Kremlin: An Experience in Communism, page 149: