grayscale /ˈɡɹeɪˌskeɪl/noun 2adjective 1verb 1forms 3 noun2 •The use of black and white, representing color with shades of gray.You can view your presentation in grayscale or black-and-white and then customize how the various colors are translated to grayscale or black-and-white. — 2010 •A printed strip of graduated tones used to check exposure and development times. adjective1 •Black and white, representing color with shades of gray. verb1 •To convert to grayscale. formsgrayscaled · grayscaling · grayscales