I find my heart hardened and blunt to new impressions.
Pope.
Blunt is much used in composition, as blunt-edged, blunt-sighted, blunt-spoken.
Syn. -- Obtuse; dull; pointless; curt; short; coarse; rude; brusque; impolite; uncivil.
Blunt, v. t. [imp. & p. p. Blunted; p. pr. & vb. n. Blunting.] 1. To dull the edge or point of, by making it thicker; to make blunt. Shak.
2. To repress or weaken, as any appetite, desire, or power of the mind; to impair the force, keenness, or susceptibility, of; as, to blunt the feelings.