the theory that the overlap of various social identities, as race, gender, sexuality, and class, contributes to the specific type of systemic oppression and discrimination experienced by an individual (often used attributively):
Her paper uses a queer intersectionality approach.
the oppression and discrimination resulting from the overlap of an individual’s various social identities:
the intersectionality of oppression experienced by black women.
Also called intersectionality theory, intersectional theory.