<p><strong>Verb (used without object)</strong></p><ul><li>To utter sounds or words imperfectly, indistinctly, or without meaning.</li><li>To talk idly, irrationally, excessively, or foolishly; chatter or prattle.</li><li>To make a continuous, murmuring sound.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>To utter in an incoherent, foolish, or meaningless fashion.</li><li>To reveal foolishly or thoughtlessly: to babble a secret.</li></ul><p><strong>Noun</strong></p><ul><li>Inarticulate or imperfect speech.</li><li>Foolish, meaningless, or incoherent speech; prattle.</li><li>A murmuring sound or a confusion of sounds.</li><li>A confused mixture of extraneous sounds in a circuit, resulting from cross talk from other channels.</li></ul>