Definitions

1. verb

to make a bubbling or gurgling sound; to talk or utter nonsense

“The stream burbled over the smooth rocks at the bottom of the waterfall.”

2. noun

a bubbling or gurgling sound; nonsense or foolish talk

“The burble of the stream was soothing to listen to.”

3. verb

to be or become turbulent or agitated

“The crowd began to burble as they heard the news.”