Antonyms for the phrase "are par with" include inferior, substandard, inadequate, below average, and beneath. These words suggest a level of quality that falls short of what is expected or desired. They imply a sense of disappointment or dissatisfaction, indicating that something is not up to par with expectations. It is important to recognize these antonyms when describing something, as they can provide a clear contrast to the positive qualities associated with being on par with something. By understanding both the positive and negative connotations of these words, we can more accurately express our thoughts and ideas.