The term "battleship blast" implies a large, powerful explosion - befitting of a warship firing its guns. Some synonyms for this term include "cannonade," which refers to a heavy barrage of artillery fire, and "volley" which denotes a rapid and simultaneous discharge of weapons. Other similar terms include "blast wave," which is the shockwave created by an explosion, and "detonation" which implies a sudden and forceful release of energy. A "thunderclap" is also a fitting synonym, as it describes a sudden and loud noise, often associated with a storm or explosion. All of these words encapsulate the idea of a powerful and impactful event, one that demands attention and respect.