Openworks, which usually refers to companies or institutions that promote transparency and openness, is a term that might not have many direct antonyms. However, if we consider the broader meanings of openworks, we could think of some opposite concepts. For instance, closed-mindedness and secrecy could be considered as antonyms of openworks. A closed-minded person or organization is unwilling to consider other perspectives or ideas, while a secretive one hides information and operates in a non-transparent manner. Another opposite idea could be exclusivism, which refers to the practice of limiting access or opportunities to a selected group or individuals. In short, while openworks entail openness, cooperation, and sharing, their antonyms revolve around restriction, isolation, and secrecy.