The Growing Awareness Around Heteroflexible Identity Explained

A new shift in how people describe their sexuality is gaining momentum, and it’s sparking conversation across cultural lines. The term heteroflexible—often defined as “mostly straight, but open to same-sex experiences”—is emerging as one of the fastest-growing identity labels today. While many see it as a sign of growing openness and curiosity, others worry it may unintentionally sideline existing identities, particularly bisexuality.

According to new data from Feeld, a dating app focused on exploration and connection, the number of users identifying as heteroflexible has surged dramatically over the past year. The trend highlights a broader movement toward fluidity in how people understand attraction and relationships.

What Does “Heteroflexible” Mean?

Heteroflexible generally refers to someone who primarily identifies as straight but remains open to attraction or experiences with the same gender. Importantly, people who use the label don’t typically identify as gay, bisexual, or pansexual. Instead, they see the term as a way to describe openness without fully redefining their orientation.

Experts describe it as a “gray-area identity”—one that reflects curiosity, flexibility, and a departure from rigid categories that once defined sexuality.

A Rapidly Growing Identity

Feeld reports nearly a 200% increase in users choosing heteroflexible as their identity over the past year, making it the platform’s fastest-growing category. While the app doesn’t release exact numbers, it says the growth reflects a wider cultural shift.

The trend is strongest among Millennials, who make up the majority of heteroflexible users on the app. Gen Z follows closely, but interest isn’t limited to younger generations. A noticeable portion of Gen X users are also adopting the label, suggesting curiosity and openness aren’t bound by age.

Curiosity Over Certainty

Dr. Luke Brunning, a philosophy lecturer who collaborated on the research, says the rise of heteroflexibility reflects a growing comfort with exploration rather than fixed definitions.