babble

gibberish resembling the sounds of a baby

utter meaningless sounds, like a baby, or utter in an incoherent way; "The old man is only babbling--don't pay attention"

to talk foolishly; "The two women babbled and crooned at the baby"

flow in an irregular current with a bubbling noise; "babbling brooks"

divulge confidential information or secrets; "Be careful--his secretary talks"