fast-food \ˈ ̷ ̷ ¦ ̷ ̷ \adjective 1.: of, relating to, or specializing in food (as hamburgers or fried chicken) that can be prepared and served quickly < a fast-food restaurant chain > 2.: designed for ready availability, use, or consumption and with little consideration given to quality or significance < word processing cranks out fast-food prose — Erik Sandberg-Diment > • fast foodnoun