The belief in male superiority and domination and actions, behaviors and attitudes that support that belief; the term used to describe exaggerated aggressiveness and intransigence in male-to-male interpersonal relationships and arrogance and sexual aggression in male-to-female relationships. Machismo is not specific to Latino communities; it can be found in various cultures throughout the world.

Machismo is a prominently exhibited or excessive masculinity. As an attitude, machismo ranges from a personal sense of virility to a more extreme masculism. In many cultures, machismo is acceptable and even expected.