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 Heterosexual
Medically reviewed by Min Clinic Staff | Updated: January 2026
Heterosexual: A person sexually attracted to persons of the opposite sex. Or a person who has sexual relations with the opposite sex. Colloquially known as "straight."
The term "heterosexual" can also be an adjective.