The phrase "brushes over" refers to briefly mentioning or ignoring something. Some possible antonyms for this phrase include "delves into," "focuses on," "examines," "explores," and "scrutinizes." These antonyms suggest a more in-depth analysis or exploration of a particular topic or issue. By contrast, "brushes over" implies a surface-level treatment that may leave important details or perspectives unexplored. Depending on the context, different antonyms may be more appropriate. For example, if someone is giving a presentation on a complex topic, it might be better to say they "delve into" the details rather than simply "brush over" them.