Definition of inaudible adjective from the Oxford Advanced American Dictionary

 

inaudible

 adjective
adjective
NAmE//ɪnˈɔdəbl//
 
inaudible (to somebody)
 
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that you cannot hear She spoke in an almost inaudible whisper. The whistle was inaudible to the human ear. opposite audible
inaudibility
 
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NAmE//ɪnˌɔdəˈbɪlət̮i//
 
noun [uncountable]
NAmE//ɪnˈɔdəbli//
 
adverb
See the Oxford Advanced Learner's Dictionary entry: inaudible