The antonyms for the phrase "am of assistance" can be a variety of negative statements, such as "am not helpful," "am uncooperative," "am useless," or "am hindering progress." These words convey the opposite meaning of the helpful and friendly nature implied by "am of assistance." Furthermore, phrases like "not contributing" or "being a liability" also represent opposing ideas for being of assistance. While the term "am of assistance" signifies a willingness to contribute one's time, energy, and expertise to another person or cause, its opposite implies a lack of willingness or ability to aid in any way.