coarse; crude; unrefined or insensitive; lacking discrimination / materialistic / dense / Lacking finesse; crude and obvious.

The state of being crass.

plural of crassness

In a crass manner.

superlative form of crass: most crass

comparative form of crass: more crass

(botany) Any plant of the genus Crassula, often succulents native to southern Africa.

plural of crassula

(botany) Of or pertaining to the family Crassulaceae of dicotyledons.

(archaic) thickness, coarseness. / The state or quality of being crass.