The Collaborative International Dictionary of English v.0.48:
hard-of-hearing \hard-of-hearing\ adj. having a reduced ability to hear, but not fully deaf; partly deaf. Syn: hearing-impaired. [WordNet 1.5]WordNet (r) 3.0 (2006):
hard-of-hearing adj 1: having a hearing loss [syn: hard-of-hearing, hearing- impaired]