The condition of being deaf; the lack or loss of the ability to hear.(noun)
Lack of knowledge or refusal to admit a particular problem, issue, etc.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "deafness" in a sentence
"Many late deafened adults suffer from something I term deafness paranoia."
"The entire medical establishment was aware of Limbaugh ` s deafness onset; however nobody seemed to grasp that instant deafness is a symptom of Oxencodeine abuse, although it is written in evry PDR."
"The cause of the deafness is unknown, but has been attributed to diseases such as syphilis, lead poisoning, or typhus."