We have nothing historically new to offer, though the principle we are to mention is practically unknown or at least unutilized.
"The Booklover and His Books"
Harry Lyman Koopman
For ages the energy developed by the falls went unutilized.
"In the Year 2889"
Jules Verne and Michel Verne
Those big, capable hands, now dangling so limply from inert wrists, had wrested a living from the soil; those strangely unfaded blue eyes had the keenness of vision which comes from scanning great stretches of earth and sky; the stocky, square-shouldered body suggested power unutilized.
"Half Portions"
Edna Ferber