What is cross; thick; dense; coarse; not elaborated or refined. "Crass and fumid exhalations." Sir. T. Browne. "Crass ignorance" Cudworth called?

crass — Cross; thick; dense; coarse; not elaborated or refined. "Crass and fumid exhalations." Sir. T. Browne. "Crass ignorance" Cudworth. (Webster's 1913.)

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