* De-emphasis: This is a direct opposite of emphasis, meaning to lessen the importance or significance of something.
* Downplay: Similar to de-emphasis, this means to make something seem less important or significant.
* Neglect: This implies a complete disregard or lack of attention, essentially the opposite of emphasizing something.
* Minimize: This suggests reducing something to the smallest possible extent, effectively diminishing its importance.
* Ignore: This means to pay no attention to something, completely ignoring its significance.
The best antonym will depend on the specific situation and what you are trying to convey.