Three useful terms

Amatonormativity: “the widespread assumption that everyone is better off in an exclusive, romantic, long-term coupled relationship, and that everyone is seeking such a relationship.”

Cissexism (also cisnormativity): “the belief or assumption that cis people‚Äôs gender identities, expressions, and embodiments are more natural and legitimate than those of trans people.”

Heterosexism (also heteronormativity): “the belief or assumption that heterosexual attractions and relationships are more natural and legitimate than their same-sex counterparts.”