RichThesaurus
bigmouthed
vs
loose-tongued
bigmouthed
adj
Loud or talkative, especially in an indiscreet manner.
Having a large mouth.
loose-tongued
adj
garrulous, gossipy
How often have the words
bigmouthed
and
loose-tongued
occurred in a corpus of books?
(source:
Google Ngram Viewer
)