Definition of blunt:
(adj) :
having a thick edge or point, as an instrument; not sharp; dull in understanding; slow of discernment; opposed to
acute
(v) :
to dull the edge or point of, by making it thicker; to make blunt; 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