0 the condition of someone feeling that they are not the same gender (= sex) as the one they had or were said to have at birth:
In a democracy that boasts great freedom of expression, transgenderism may be the final frontier of sexual politics.
He is the founder and editor of the Journal of Psychology of Human Sexuality and the International Journal of Transgenderism.
The article stated that the characteristic that defines transgenderism is not sexual orientation, but sexual identity.