The term antiaircraft barrage describes the intense barrage of fire that is used to intercept and destroy enemy aircraft. There are several different synonyms for this phrase that could be used in order to add variety and color to your writing. Some possible synonyms for antiaircraft barrage could include terms such as air defense, missile defense, or anti-aircraft fire. In addition, other possible phrases that could be used to describe this type of attack might include air defense artillery, air defense missiles, or surface-to-air missile systems. Regardless of the specific terminology you choose, these synonyms can help to add nuance and depth to your writing while still conveying the same general idea of an intense effort to protect against enemy air attacks.