Antonyms for the phrase "makes apparent" would imply the act of hiding, concealing or obscuring. Some potential antonyms could include "obscures," "disguises," "hides," "veils," "camouflages," "masks," "covers up," or "conceals." For example, in a sentence, "The fog obscures the view of the horizon, making it impossible to see the sunset." These antonyms indicate an opposite action or effect from "makes apparent," which suggests that something is being brought into view or made clear. Understanding antonyms can help to clarify meanings and provide useful language for more nuanced expression in writing or conversation.