1. Having a thick edge or point, as an instrument; dull; not sharp.
"The murderous knife was dull and blunt. Shak." --
2. Dull in understanding; slow of discernment; stupid; -- opposed to acute.
"His wits are not so blunt. Shak." --
3. Abrupt in address; plain; unceremonious; wanting the forms of civility; rough in manners or speech. "Hiding his bitter jests in blunt behavior." "A plain, blunt man." Shak.
4. Hard to impress or penetrate. [R.]
"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.