hearing-impaired
adjective
hear·ing-im·paired ˈhir-iŋ-im-ˈperd 
now often offensive : hard of hearing, deaf
Note: The World Federation of the Deaf has since 1991 recommended the terms hard of hearing and deaf for people with hearing loss. Many deaf and hard of hearing people consider the term hearing-impaired offensive.
Word History
First Known Use
1946, in the meaning defined above