deaf  - DEFINITION

See more synonyms on Thesaurus.com

adjective, deafer, deafest.

1.

partially or wholly lacking or deprived of the sense of hearing; unable to hear.

2.

refusing to listen, heed, or be persuaded; unreasonable or unyielding:

deaf to all advice.

3.

(initial capital letter) of or relating to the Deaf or their culturalcommunity:

Deaf customs and values.

Source:  http://www.dictionary.com/browse/deaf

hard of hearing - DEFINITION

• not able to hear well.
  
  

Powered by Oxford Dictionaries · © Oxford University Press · Translation by Bing Translator

"For this reason my answer to the above question on how to prepare a room for an interview with a deaf person would be to simply ask what, if any, accommodations will be necessary when you set up the appointment.  Let’s assume the choices might be 1. ASL or Oral interpreter. 2. Looped room 3. CART 4. Nothing. " (Source:  http://ahearingloss.com/2011/06/09/how-do-you-define-deaf/)