Gay and straight

Straight & Heterosexual, Gay & Homosexual Straight and heterosexual both describe someone who is romantically and/or sexually attracted to people of the opposite sex—women who are attracted to men, and men who are attracted to women.
Gay and straight are terms used to describe sexual orientation. Sexual orientation research has evolved over time, with varying definitions and measurement methods. Historically, terms like homosexuality and heterosexuality were used to classify sexual orientation. Terms like gay and straight are now commonly used to describe sexual orientation.