1. (n.) A shaking, trembling, or concussion of the earth, due to subterranean causes, often accompanied by a rumbling noise. The wave of shock sometimes traverses half a hemisphere, destroying cities and many thousand lives; -- called also earthdin, earthquave, and earthshock.

2. (a.) Like, or characteristic of, an earthquake; loud; starling.

apoplexy breakup cataclysm climax convulsion diastrophism disaster fit overthrow paroxysm quake quaker shake shock spasm stroke temblor tidal wave tremor tsunami upheaval