Definition of Militarism: Militarism (noun): The belief or desire that a country should maintain a strong military capability and be prepared to use it aggressively to defend or promote national interests. Synonyms: militarization, aggression, war-mindedness, belligerence Antonyms: pacifism, diplomacy, peacefulness, neutrality Memory Tip: Think of “militarism” as prioritizing military power and readiness over peaceful solutions,…