Etymology
Advertisement

crass (adj.)

1540s, "thick, coarse, gross, not thin or fine," from French crasse (16c.), from Latin crassus "solid, thick, fat; dense," which is of unknown origin.

The literal sense always has been rare in English. The meaning in reference to personal qualities, etc., "grossly stupid, obtuse" is recorded from 1650s, from French. Middle English had cras (adj.) "slow, sluggish, tardy" (mid-15c.), also crassitude "thickness." Related: Crassly; crassness.

updated on December 08, 2020

Advertisement
Advertisement
Definitions of crass from WordNet

crass (adj.)
(of persons) so unrefined as to be lacking in discrimination and sensibility;
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.