The definition of deaf is someone who cannot hear, or someone who chooses not to hear or absorb certain information.(adjective)
See deaf in Webster's New World College Dictionary
Origin: ME def < OE deaf, akin to Ger taub, Goth *daufs < IE *dheubh-, misty, obscured < base *dheu-: see dull
See deaf in American Heritage Dictionary 4
adjective deaf·er, deaf·est
Origin: Middle English def, deef
Origin: , from Old English dēaf.
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