I. gab ‧ ble 1 /ˈɡæb ə l/ BrE AmE verb ( past tense and past participle gabbled , present participle gabbling ) [intransitive and transitive]
[ Date: 1500-1600 ; Origin: Perhaps from Middle Dutch gabbelen ]
to say something so quickly that people cannot hear you clearly or understand you properly:
Just calm down, stop gabbling, and tell me what has happened.
II. gabble 2 BrE AmE noun [singular, uncountable]
a lot of talking that is difficult to understand, especially when several people are talking at the same time SYN babble :
a gabble of voices