A disturbance of gender identify in which the person feels a life-long discomfort with his or her own sex and a compelling desire to be of the opposite sex.
A person who feels trapped in the body of the wrong gender. Some have reversed core gender identities, transsexualism.
Feeling uncomfortable with the birth gender.
An individual who has an overwhelming desire to be of the opposite sex.
An individual who wishes to attain the outward appearance of a person belonging to the opposite gender.