unsharp

== English == === Etymology === From Middle English *unscharp, from Old English unsċearp, from Proto-West Germanic *unskarp, from Proto-Germanic *unskarpaz, equivalent to un- +‎ sharp. Cognate with Saterland Frisian uunskäärp (“unsharp”), West Frisian ûnskerp (“unsharp”), Dutch onscherp (“unsharp”), German Low German unscharp (“unsharp”), German unscharf (“unsharp”), Danish uskarp (“unsharp”), Swedish oskarp (“unsharp”), Norwegian uskarp (“unsharp”). === Adjective === unsharp (comparative more unsharp, superlative most unsharp) Not sharp. (computer graphics) Out of focus; blurry. Dulled or intentionally blunt. ==== Synonyms ==== nonsharp ==== Antonyms ==== sharp crisp ==== Derived terms ==== unsharpness ==== Translations ==== === Verb === unsharp (third-person singular simple present unsharps, present participle unsharping, simple past and past participle unsharped) (transitive, computer graphics) To sharpen (an image) by creating a blurred ("unsharp") negative as a mask, and then combining that mask with the original. ==== Usage notes ==== Not to be confused with unsharpen.