babble in WordNet English dictionary

1. gibberish resembling the sounds of a baby
   babble  babbling  lallation 
   

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