deconstructionism /diːkənˈstɹʌkʃənɪzəm/ noun1 •The belief in, or application of, deconstruction (theory of textual criticism).Once he had decided to major in English, “since it sounded like something I might already know,” he learned to enjoy tossing the vocabulary of deconstructionism back at his teachers. — 2009 formsdeconstructionisms