Source : WordNet®

transsexual
     n 1: a person who has undergone a sex change operation [syn: {transexual}]
     2: a person whose sexual identification is entirely with the
        opposite sex [syn: {transexual}]

transsexual
     adj : overwhelmingly desirous of being, or completely identifying
           with, the opposite sex [syn: {transsexual(a)}]