Use "unappeasable" in a sentence

1. unappeasable grounds and for the most outrageously ridiculous reasons the Newtonians can think of

2. No—better still, he would join the Indians, and hunt buffaloes and go on the warpath in the mountain ranges and the trackless great plains of the Far West, and away in the future come back a great chief, bristling with feathers, hideous with paint, and prance into Sunday-school, some drowsy summer morning, with a blood-curdling war-whoop, and sear the eyeballs of all his companions with unappeasable envy

3. Next he rose on his hind feet and pranced around, in a frenzy of enjoyment, with his head over his shoulder and his voice proclaiming his unappeasable happiness