IPA: /ˈɔː.də.bli/
KK: /ˈɔːdəbli/
In a way that can be heard; clearly enough to be heard.
She spoke audibly so everyone could hear her.
Audibly → It is formed from "audire" (meaning to hear) and the suffix "-bly" (indicating a manner). The word "audibly" means in a manner that can be heard.
Think of 'hearing' ('audire') to remember that 'audibly' means something can be heard.