Alarm systems are cunning devices with no end of fail-safe features built in.

With camp-craft, with its cunning devices, he is au fait.

Vengeance, cruelty, deceit, cunning devices were practised not only by the Philistines, but likewise by the Nazarite.

But all these manoeuvres had been fruitless; he had escaped from all snares, and resisted the most cunning devices.

Soon had they built a crystal bridge, and traced cunning devices on it; and then they dispersed to their homes.

It was highly-wrought in wampum, and profusely ornamented with beads and porcupine's quills, after the most cunning devices of Indian ingenuity.

With many cunning devices she tried to lure him off, but still, in his stubborn way, he refused to be misled.

Such a man under such circumstances will never find his most cunning devices a match for the set determination of his opponents.

Mrs. Corfield assured her there was no danger, not a particle, with her free use of disinfectants and her cunning devices of ventilation.

Though cunning devices did not avail him against Bernardo del Carpio, who knew all about them, and strangled him in his arms at Roncesvalles.

"For," said he, "I will aid thee with cunning devices."