(chiefly computing)Designed to be easy for an untrained user to use, with intuitive ordering of steps, consistent and logical placement of controls, etc.
1994 May, Gary Turbak, “The Phone Phenomenon”, in The Rotarian, volume 164, number 5, page 31:
In the past few years, product engineers have infused the basic telephone with lots of high-tech, razzle-dazzle, and user friendly innovations such as speed dialing, automatic redial, speakerphones, cordless phones, hold buttons, and dialing memories.