Not sensible or reasonable; meaningless.
Incapable or deprived of physical sensation.
Unable to be perceived by the senses.
Incapable of mental feeling; indifferent.
Incapable of emotional feeling; callous; apathetic.
Unable to be understood; unintelligible.
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.