The antonyms for the word "am sickening" would be words that express well-being, happiness, and good health. Some common antonyms for this phrase would be feeling healthy, feeling well, being energized, feeling refreshed, and feeling invigorated. The antonyms would also include terms that describe positive emotional states such as being happy, content, joyful, and at ease. When contrasted with the negative connotations of "am sickening," these antonyms paint a picture of a life filled with good health, positivity, and vitality. It is important to embrace these positive phrases to help create a more balanced perspective on life.