0 the unhappy feeling that some people have when they feel that their identity (= who they are) as a man or a woman does not fit with the sex that they had, or were said to have, at birth:
Thirty years ago, what is now known as gender dysphoria was almost unknown.
At some point, the gender dysphoria reaches a pitch so excruciating, the transsexual will risk everything to have a chance at a future.
After years of gender dysphoria, cross-dressing, bullying and suicidal frustration, she decided to make the transition.