Unsubdivided means something that is simple, undivided, or not complex. The antonyms for unsubdivided include complex, intricate, elaborate, compound, and compounded. When something is complex, it is made up of various interconnected parts that are hard to understand. Intricate refers to something that is highly detailed and complicated. Elaborate means something that has been developed to a large extent with all the details included. Compound refers to something that is composed of two or more parts, while compounded implies something that has been created by combining various elements. These antonyms show that unsubdivided is the opposite of something that is complex, compounded, or highly developed.