0 the quality of being stupid, not correct, or not carefully thought about:
With astonishing fatuousness, he defended his actions.
She emphasized the fatuousness of his claim.
He criticized the essential fatuousness of the whole project.
With his social climbing, bragging and all-round fatuousness, he's utterly loathsome.
I never cease to be amazed by the fatuousness of popular culture in this country.
I'm guessing fatuousness and inanity: their resistance and suffering are the emblems of their character.
Then, he was disgusted with his own fatuousness.
With the fatuousness of a weak man cornered, he clung to unimportant details.