Definition of fatuousness in US English:

fatuousness

noun

  • See fatuous

    • ‘It's a comic performance and it's the character's fatuousness which makes it so funny.’
    • ‘In the darkest days of the Dark Ages, no superstition surpassed this one for silliness, fatuousness, or just plain ignorance.’
    • ‘The only point in rehearsing these notorious facts, which deter investment and inhibit economic growth, is to mark the fatuousness of proposals to solve everybody's problems, ours and theirs, by pouring in more foreign aid.’
    • ‘The same fate befell others who similarly attempted to contribute to moral, political, and ethical debate beyond the fatuousness and anonymity of talk-back radio.’
    • ‘That makes you understand the fatuousness of nationalism because you can't tell the nationality of a bone.’

Pronunciation

fatuousness

/ˈfaCHo͞oəsnəs//ˈfætʃuəsnəs/