Indented is a term used to describe a surface that is dented, caved in or sunken. When searching for its antonyms, one can come up with several options depending on the context. Some antonyms of indented include raised, bulged, protruding, and elevated. These words represent surfaces that extend upward, outward or are sticking out of their surrounding areas. Other antonyms could be flat, smooth, leveled or unbroken, which describe surfaces that are plain or without any irregularities. It's essential to consider the context in which the term indented is used to determine the best antonyms.