Deafness is commonly understood to include both total and partial hearing loss. Every major dictionary defines it this way. It might have a more precise meaning in some spheres (medical, etc), but in common English it is not binary the way you’re suggesting.
Deafness is commonly understood to include both total and partial hearing loss. Every major dictionary defines it this way. It might have a more precise meaning in some spheres (medical, etc), but in common English it is not binary the way you’re suggesting.
Merriam Webster: deaf
Dictionary.com: deaf
Cambridge English dictionary: deaf