There are numerous synonyms for the word "un-profounder." Some of the most common ones include shallow, superficial, simplistic, cursory, and basic. These words all refer to the opposite of depth or complexity, indicating a lack of intellectual or emotional insight or understanding. Other words that might be used to describe something that is un-profound could include trivial, inconsequential, empty, or insubstantial. When trying to communicate the idea that something is not profound or deep, it is important to select a word that accurately reflects the intended meaning and usage context.