(imaging, graphics) out of focus; blurry. / (tools) dulled or intentionally blunt.

(transitive, imaging, graphics) To sharpen (an image) by creating a blurred ("unsharp") negative as a mask, and then combining that mask with the original.

The condition of being unsharp, usually with reference to imaging (e.g., radiography, computed tomography).

Third-person singular simple present indicative form of unsharp

simple past tense and past participle of unsharp

present participle of unsharp

Third-person singular simple present indicative form of unsharpen

Unable to be sharpened.

present participle of unsharpen

(transitive) To render unsharp; to spoil the sharpness of (something). / (transitive, computer graphics) To undo a sharpening operation on (an image).