Grossness, n.
The state or quality of being gross; thickness; corpulence; coarseness; shamefulness. Abhor the swinish grossness that delights to wound the' ear of delicacy. Dr. T. Dwight.
Shades of meaning
Fernald lists grossness only as an antonym, under refinement.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given