Lacking the sense of hearing; deaf or unable to hear.
From 'hearing' (Old English 'hierung', the act or sense of perceiving sound) plus '-less', a negating suffix meaning 'without'.
'Hearingless' is a rare alternative to 'deaf,' but it sounds clinical and cumbersome—'deaf' wins because it's shorter and more direct, showing how English speakers prefer brevity and elegance over transparent compound meanings!
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