Definitions
Intersex - noun
the abnormal condition of being intermediate between male and female; hermaphroditism.
an intersex individual; a hermaphrodite.
Transgender - adjective
adjective: transgender; adjective: transgendered
denoting or relating to a person whose self-identity does not conform unambiguously to conventional notions of male or female gender.
Transsexual - noun
noun: transsexual; plural noun: transsexuals; noun: transexual; plural noun: transexuals
1.
a person who emotionally and psychologically feels that they belong to the opposite sex.
"a pre-operative male-to-female transsexual"
a person who has undergone treatment in order to acquire the physical characteristics of the opposite sex.
adjective
adjective: transsexual; adjective: transexual
1.
relating to a transsexual person.
"transsexual fantasies"