earth-shaking

As Wolff argues, "Absent an earth-shaking idea, Facebook will look forward to slowing or declining growth in a tapped-out market."

The world was passing through a reaction destined to lead to the earth-shaking catastrophe of 1914.

With the impatience of one who has a good earth-shaking shock ready to administer, he watched his wandering relatives disembark.

Martial music and earth-shaking charges moved him for a moment, as they moved others for an hour or a day.

I tried weak joviality: "It can't be anything of earth-shaking gravity."

When the answer came, he was once again in action, the guns chugging and rumbling, the earth shaking.