audibly

from WordNet (r) 3.0 (2006)
audibly
    adv 1: in an audible manner; "he spoke audibly" [ant:
           {inaudibly}]
    
from The Collaborative International Dictionary of English v.0.48
Audibly \Au"di*bly\, adv.
   So as to be heard.
   [1913 Webster]
    

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