audibly

From audible + -ly.

audibly (comparative more audibly, superlative most audibly)

1. In context of possibility of being heard; in an audible manner.
   • 2014 March 9, Jacob Steinberg, “Wigan shock Manchester City in FA Cup again to reach semi-finals”, in The Guardian:

     The Argentinian remains a danger to his own team, clumsily conceding the penalty which allowed Gómez to put Wigan ahead, and it was clear that City's audibly frustrated fans do not trust him.

• aloud

• inaudibly