Definitions

1. verb

to murmur or babble indistinctly

“The old man began to prabble to himself as he sat in his rocking chair.”

2. verb

to utter indistinct, often incoherent sounds

“The baby started to prabble as it tried to speak its first words.”

3. noun

a low, indistinct sound, especially of a person speaking indistinctly

“The crowd was filled with the prabble of hushed conversations.”