Subpar is a word that is often used to describe things or situations that are below average or not quite up to par. It can be difficult to come up with antonyms for this word, but there are several options to consider. Superior, excellent, exceptional, outstanding, and remarkable are all potential antonyms for subpar. These words describe things that are of a higher quality, standards or expectations. Other antonyms to consider include outstanding, remarkable, first-rate, top-notch, and exceptional. All of these words describe things that are of a much higher quality than what is considered subpar.