a variation of structuralism, often seen as a critique, emphasizing plurality of meaning and instability of concepts that structuralism uses to define society, language, etc.
post·struc·tur·al·ism (pōst'strŭk'chər-ə-lĭz'əm) n. Any of various theories or methods of analysis, including deconstruction and some psychoanalytic theories, that deny the validity of structuralism's method of binary opposition and maintain that meanings and intellectual categories are shifting and unstable.