Major wars are conflicts that involve considerable resources, manpower, and lives. They are characterized by widespread destruction, political upheaval, and significant change in the balance of power. There are several synonyms for the term "major wars" that reflect the nature of these conflicts. Some of the terms include great wars, large-scale conflicts, global wars, world wars, and catastrophic wars. These words emphasize the magnitude of the damage inflicted by the wars. Additionally, other terms like significant conflicts, historical battles, and devastating wars capture the long-lasting effects of these conflicts on societies, economies, and geopolitical landscapes. Ultimately, the cost of major wars in human life and material resources is immeasurable.