transformative UK /trɑːnsˈfɔːmətɪv/US /tɹænsˈfɔɹmətɪv/ adjective2 •That causes a transformation; causing a notable and lasting change •Chiefly in transformative-generative: of or relating to a theory of generative grammar in which defined operations called transformations produce new sentences from existing ones; transformational. formsmore transformative · most transformative