Effeminacy describes traits in a human male, that are more often associated with traditional feminine

Femininity

Femininity is a set of attributes, behaviors, and roles generally associated with girls and women. Though socially constructed, femininity is made up of both socially defined and biologically created factors...

 nature, behaviour, mannerisms, style or gender role

Gender role

Gender roles refer to the set of social and behavioral norms that are considered to be socially appropriate for individuals of a specific sex in the context of a specific culture, which differ widely between cultures and over time...

s rather than masculine

Masculinity

Masculinity is possessing qualities or characteristics considered typical of or appropriate to a man. The term can be used to describe any human, animal or object that has the quality of being masculine...

 nature, behaviour, mannerisms, style or roles.

It is a term frequently applied to womanly behavior, demeanor, style and appearance displayed by a male, typically used implying criticism or ridicule of this behaviour (as opposed to, for example, merely describing a male as feminine

Femininity

Femininity is a set of attributes, behaviors, and roles generally associated with girls and women. Though socially constructed, femininity is made up of both socially defined and biologically created factors...

, which is non-judgmental).