Armed aggression is a term used to describe a hostile attack or invasion that involves the use of weapons and force. Synonyms for this term include military intervention, armed conflict, warfare, and hostile action. Other terms that can be used to convey the same meaning include armed attack, military aggression, armed assault, and military incursion. These terms are commonly used in the context of international relations and state-to-state confrontations. They illustrate the severity of an attack and the use of weapons to resolve disputes. In summary, there are several synonyms for armed aggression that convey the same meaning and emphasize the use of force and weapons.