transsexual /tɹænzˈsɛkʃuəl/adjective 2noun 1forms 3 adjective2 •(old-fashioned) Of a person, having changed, or being in the process of changing, physical sex by undergoing medical treatment, such as hormone replacement therapy (HRT) and/or optionally sex reassignment surgery (SRS). •(old-fashioned) Of or relating to such a change.Stormy […] […] returned from Morocco, where she'd had transsexual surgery. — 2011 noun1 •(offensive, old-fashioned) A transsexual person.When a man is a woman trapped in a man's body, and has a little operation, he is a transsexual. — 1995 formstranssexuals · more transsexual · most transsexual