Stingy or grudging.
Difficult to till, lacking pliancy; unmanageable.
Of or pertaining to a serf, peasant, or rustic.
Rude, surly, ungracious.
dulled or intentionally blunt.
out of focus; blurry.
To sharpen (an image) by creating a blurred ("unsharp") negative as a mask, and then combining that mask with the original.