The phrase "am after" has a range of antonyms depending on its intended meaning. If it refers to pursuing something, antonyms can include words like abandon, quit, give up, or forsake. If it suggests desiring or wanting something, antonyms can include words like content, satisfied, fulfilled, or uninterested. In some contexts, "am after" might also indicate following or chasing someone, and antonyms could include words like retreat, withdraw, run away, or escape. Overall, the antonyms for "am after" can vary widely depending on the specific context and intended meaning of the phrase.