unsharpPronunciation: /ʌnˈʃɑːp/Definition of unsharp adjective 1not sharp; dull or blunt:a very soft and unsharp brown pencil 2 Photography (of a picture or image) not well defined:unsharp, fuzzy photosDerivatives unsharpened adjective unsharpness noun unsharp in other Oxford dictionaries Definition of unsharp in the US English dictionary