a. Obs. rare–1. [Bad formations from L. crass-us CRASS a., on erroneous analogies.] = CRASS.

1

c. 1700.  D. G., Harangues of Quack Doctors, 3. They purge the Brain from all Crassick Cloudifying Humours.

2

1838.  Blackw. Mag., XLIII. 136/2. Displaying … the most crassid and dark ignorance.

3