babble

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To utter a meaningless confusion of words or sounds: Babies babble before they can talk.
2. v. To talk foolishly or idly; chatter: "In 1977 [he] was thought of as crazy because he was babbling about supply side” ( Newt Gingrich).
3. v. To make a continuous low, murmuring sound, as flowing water.
4. v. To utter rapidly and indistinctly.
5. v. To blurt out impulsively; disclose without careful consideration.
6. n. Inarticulate or meaningless talk or sounds.
7. n. Idle or foolish talk; chatter.
8. n. A continuous low, murmuring sound, as of flowing water.

Century Dictionary and Cyclopedia

1. To utter words imperfectly or indistinctly, as children do; prattle; jabber.
2. To talk idly, irrationally, or thoughtlessly; chatter or prate heedlessly or mischievously.
3. To make a continuous murmuring sound, as a stream; repeat a sound frequently and indistinctly.
4. To utter incoherently or with meaningless iteration; repeat; prate.
5. To utter foolishly or thoughtlessly; let out by babbling or prating: as, to babble a plot or a secret.
6. n. Inarticulate speech, such as that of an infant; idle talk; senseless prattle; murmur, as of a stream.
7. n. Synonyms See prattle, n.

Wiktionary

1. n. Idle talk; senseless prattle; gabble; twaddle.
2. n. Inarticulate speech; constant or confused murmur.
3. n. A sound of or alike that which of flowing water.
4. v. intransitive To utter words indistinctly or unintelligibly; to utter inarticulate sounds; as, a child babbles.
5. v. intransitive To talk incoherently; to utter unmeaning words.
6. v. intransitive To talk much; to chatter; to prate.
7. v. intransitive To make a continuous murmuring noise, as shallow water running over stones.
8. v. transitive To utter in an indistinct or incoherent way; to repeat, as words, in a childish way without understanding.
9. v. transitive To disclose by too free talk, as a secret.

GNU Webster's 1913

1. v. To utter words indistinctly or unintelligibly; to utter inarticulate sounds; as a child babbles.
2. v. To talk incoherently; to utter unmeaning words.
3. v. To talk much; to chatter; to prate.
4. v. To make a continuous murmuring noise, as shallow water running over stones.
5. v. To utter in an indistinct or incoherent way; to repeat, as words, in a childish way without understanding.
6. v. To disclose by too free talk, as a secret.
7. n. Idle talk; senseless prattle; gabble; twaddle.
8. n. Inarticulate speech; constant or confused murmur.

WordNet 3.0

1. v. to talk foolishly
2. v. utter meaningless sounds, like a baby, or utter in an incoherent way
3. v. divulge confidential information or secrets
4. n. gibberish resembling the sounds of a baby
5. v. flow in an irregular current with a bubbling noise