Stone deaf is a phrase commonly used to describe someone who is completely deaf. However, there are many different synonyms for this phrase that can be used to emphasize varying degrees of hearing loss. Some other phrases that can be used in place of stone deaf include completely deaf, profoundly deaf, totally deaf, and deaf as a doornail. Each of these phrases conveys the idea of an individual who is unable to hear any sound whatsoever. In addition, there are phrases that can be used to describe individuals who have a partial hearing loss, such as hard of hearing, partially deaf, or hearing-impaired. Overall, there are several synonyms that can be used to describe different levels of hearing loss.