There are several synonyms for the word "shockwave". Some of the most common ones include "blast wave", "pressure wave", and "sonic boom". A shockwave is a powerful disturbance that travels through a medium such as air, water, or rock. It is typically caused by some kind of explosive event, such as an explosion or a lightning strike. Other synonyms for shockwave include "impulse wave", "explosive wave", and "force wave". Regardless of the term used, it is a phenomenon that can have devastating effects on anything in its path, from buildings to living creatures.