English → French
babble /BrE ˈbab(ə)l 
, AmE ˈbæbəl /
A
noun
murmure m; (louder) clameur f
B
transitive verb
bafouiller [words, excuse]
‘yes, yes,’ he babbled ‘oui, oui,’ bafouilla-t-il
C
intransitive verb
1 [baby] babiller; [stream] murmurer
2
3 US (speak in tongues) parler en langues