audible
adjectiveUK /ˈɔː.də.bəl/
US /ˈɑː.də.bəl/
Loud enough for you to hear it.
The teacher's voice was audible even at the back of the room.
OTHER MEANINGS
2. In football, a spoken signal that players shout to change the play before the ball is snapped.
The quarterback called an audible when he saw the defense shift.
3. A change of plan made suddenly during an activity.
The rain forced us to call an audible and move the picnic indoors.
4. Able to be heard as a sound rather than only seen or felt.
The whistle was barely audible over the crowd.