Antonyms for the term "touches up on" suggest a lack of detail or insufficient attention. Words such as skims over, neglects, overlooks, and ignores indicate a disregard for a topic or subject matter. Similarly, vague terms such as breezes past, glances over, and brushes aside suggest a superficial treatment of a subject rather than digging deeper into its intricacies. The antonyms for "touches upon" also include words that indicate a focus on a different aspect or theme of a subject, such as delves into, expands upon, or concentrates on. These contrasting terms demonstrate the importance of carefully considering a topic and giving it the attention it deserves.