The antonyms for "addressed oneself" are "neglected oneself" or "ignored oneself". When someone addressed oneself, it means that they have taken the time and effort to focus on their own needs or concerns. However, when someone neglects oneself, they fail to take care of their own physical, emotional, or mental well-being. Ignoring oneself means to avoid looking at one's own emotions or problems, which can lead to further problems. It is important to address oneself regularly to maintain a healthy lifestyle and well-being. If you feel like you are neglecting or ignoring yourself, take some time to recognize your own needs and try to focus on them.