Bluntness, n.
1. Want of edge or point; dullness; obtuseness; want of sharpness. The multitude of elements and bluntness of angles. Holland.
2. A bruptness of address; rude plainness. "Bluntness of speech." Boyle.
Shades of meaning
Fernald lists bluntness only as an antonym, under acumen.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given