Perfect for women who want men to know that their masculinity is not the most important thing in the room. Time for men to get real. Be an ally, not an idiot. Masculinity (manhood or manliness) is a set of attributes, behaviors, and roles associated with boys and men. As a social construct, it is distinct from the definition of the male biological sex. Standards of manliness or masculinity vary across different cultures and historical periods. Both males and females can exhibit masculine traits and behavior. Traits traditionally viewed as masculine in Western society include courage, independence, violence, and assertiveness. Machismo is a form of masculinity that emphasizes masculinity.