Hard of Hearing by Sign Baby Sign | May 12, 2015 Share This Tweet Share Merriam-Webster Online Dictionaryhard of hearing (adjective) relating to or having a defective but functional sense of hearingRelated Articles: 15 Sign Language Advantages & Classroom Strategies for Students with Autism Spectrum Disorder3 Tips for Teaching Months of the Year4 Tips for Deaf Awareness MonthClassroom Must HavesHomepage