"Am Sweet On" refers to feelings of fondness, attraction or liking towards someone or something. The antonyms for the word "am sweet on" are dislike, repulsion, and indifference. Dislike denotes a negative feeling or lack of interest towards someone or something. Repulsion is a strong feeling of disgust or aversion towards the object of affection. Indifference is a state of being not interested or impassive towards a particular thing or person. Therefore, while "am sweet on" implies a positive emotion, the antonyms for the word suggest a negative or neutral attitude towards someone or something.