Retouch/ˌriːˈtʌtʃ/ Definition 1 of 2Pro Tip 1/3Digital Adjustment Retouch in a digital context involves altering images using software. The graphic designer retouched the ad's image to enhance its appeal. Pro Tip 2/3Subtle Changes Retouching usually entails making small, almost unnoticeable improvements. After retouching, the portrait looked naturally flawless. Pro Tip 3/3Not Redo Retouching doesn't mean starting over but enhancing what’s already there. He only needed to retouch the sky's color in the painting.