Crass (kr?s), a. [L. crassus thick, fat, gross, prob. orig., closely woven
See Crease animal fat, and cf. Crate, Hurdle.]
Cross; thick; dense; coarse; not elaborated or refined.
"Crass and fumid exhalations."
Sir T. Browne.
"Crass ignorance"
Cudworth.
© Webster 1913.