Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Bisexual
Medically reviewed by Min Clinic Staff | Updated: January 2026
Bisexual: An individual who engages in both heterosexual and homosexual sexual relations. Bisexual can also refer to the corresponding lifestyle.
In physical biology, the term "bisexual" refers to an individual who was born with gonadal tissue of both sexes (that, both testicular and ovarian tissue). Also termed a true hermaphrodite.