<p><strong>Adjective</strong></p><ul><li>loud enough to be heard; able to be heard: The pun brought an audible groan from his colleague.</li><li>When I’m working in the basement, the sound of the traffic is barely audible.</li></ul><p><strong>Noun</strong></p><ul><li>Also called automatic, checkoff.</li><li>Football: a play called aloud by the quarterback at the line of scrimmage to supersede the play originally agreed upon as a result of a change in strategy: The quarterback called an audible that sent the running back past the other offensive guard.</li><li>Cheering by the fans made it hard for either team to hear any audibles.</li></ul>