What is the meaning of babbling?

noun

• Gibberish resembling the sounds of a baby.
  • synonyms: babble, lallation

verb

• Utter meaningless sounds, like a baby, or utter in an incoherent way.
  • usage: "The old man is only babbling-don't pay attention"
  • synonyms: babble
• To talk foolishly.
  • usage: "The two women babbled and crooned at the baby"
  • synonyms: babble, blather, smatter, blether, blither
• Flow in an irregular current with a bubbling noise.
  • usage: "babbling brooks"
  • synonyms: ripple, babble, guggle, burble, bubble, gurgle
• Divulge confidential information or secrets.
  • usage: "Be careful-his secretary talks"
  • synonyms: spill the beans, let the cat out of the bag, talk, tattle, blab, peach, babble, sing, babble out, blab out