Lobular refers to having lobes, which are rounded parts or protrusions on the surface of an object. There are several synonyms for lobular, including lobe-shaped, lobate, and lobulated. Lobe-shaped refers to having a shape that is similar to a lobe, while lobate and lobulated suggest a more complex shape made up of several lobes. Other synonyms for lobular include nodular, knobby, and bumpy, which refer to surfaces that have small rounded bumps or nodules. Additionally, lobular can be used to describe structures in the body, such as the lobular glands in the breast or the lobular nuclei in the brain.