Frightfulness

Frightfulness: The German War policy (German — "Schrecklichkeit"); wanton ruthlessness; primarily among civilians, and deliberately employed to force a decision by inspiring sheer terror. "You English," said a Prussian officer to a British officer during the Boer War, "do not know the rudiments of War. When the day comes for us to go to war you shall see how we deal with the men, women and children. With us, terror is our greatest weapon."

The word "frightfulness" was so persistently used in the press in England and Allied countries in the early part of the War that it became a word of jest in the services, being used in all sorts of connections, and of anything, however trivial. A man, for intance, appearing for the first time with an incipient moustache, or wearing a new pair of trousers, or with anything at all unusual in his appearance or get up, would be chaffingly told that he was displaying "frightfulness."