Incoherent; disjointed.
That can be partitioned into two nonempty subsets which are both open and closed.
Feeling a lack of empathy or association with something.
That is no longer connected.
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.