Definition of "unhearable" [unhearable]

• Impossible to hear; imperceptible by the ear (adjective)

WordNet. Princeton University. 2010.

• "Abetted by digital technology, in deep sync with the info-tech surge in the Indian economy, her Indian literary supernova today is a force for liberating language communities, women and what used to be "untouchable" or "unhearable" voices."
• "A shout that cannot carry in the air, unhearable by fellow citizens who enter public space -- that is the phenomenon we must explore."
• "Without an incision, without anesthesia, and without pain, the Ultrashape device focuses unhearable sound energy into a tiny space aimed just under your skin."