crassitude

[ kras-i-tood, -tyood ]

/ ˈkræs ɪˌtud, -ˌtyud /

gross ignorance or stupidity.

thickness; grossness.

Origin of crassitude

1400–50; late Middle English (< Middle French) < Latin crassitūdō thickness. See crass, -i-, -tude

What then is this Crassitude of the water, with which it resisteth Division?

Discourse on Floating Bodies |Galileo Galilei
But such is the crassitude of your malignity that after this we hardly dare expect you.

The Letters of William James, Vol. 1 |William James