Antonyms for "am talented" would include "am untalented" or "am unskilled". These words indicate a lack of natural ability or acquired skills, suggesting that a person may struggle in certain areas or lack confidence in their abilities. Other antonyms might include "am mediocre", "am average", or "am ordinary", which convey a sense of being neither exceptional nor particularly skilled. While these antonyms may seem discouraging, it's important to remember that everyone has strengths and weaknesses, and that with perseverance and dedication, anyone can improve upon their aptitudes and cultivate new talents.