The term "most shaven" can be described as a state of being almost completely hairless. Antonyms of this phrase would include "unkempt," "hirsute," and "hairy." "Unkempt" refers to a lack of grooming and disheveled appearance, often characterized by long and unruly hair. "Hirsute" means having an abundance of hair or fur, resulting in a very matted or shaggy appearance. "Hairy," on the other hand, simply means having a lot of hair or fur, which can range from being well-groomed to unkempt or hirsute. Therefore, these three antonyms provide a stark contrast to the state of being "most shaven.