The antonyms for the phrase "am proficient" include phrases such as "amateur," "inexperienced," "novice," and "unskilled." These terms describe individuals who are not yet fully trained or knowledgeable in a particular field or activity. Such individuals may require more practice or mentorship before they can achieve proficiency in their chosen area. Additionally, the phrases "clumsy," "inept," and "uncoordinated" suggest a lack of physical or functional dexterity or skill. These antonyms highlight the importance of continuous improvement through training, education, and practice in achieving proficiency in various domains of expertise.