(Expression)
a tactless, undiplomatic and insensitive manner of speaking, often thoughtlessly carried out, and likely to cause offense, indignation, embarrassment or emotional hurt in others
Usage: She was oblivious to the shocked reaction of her colleagues as she proceeded with a loose tongue to describe the behaviour of the inebriated sailors in the dockyard the night before.
loose tongue rate this definition:
(Expression)
a tactless, undiplomatic and insensitive manner of speaking, often thoughtlessly carried out, and likely to cause offence, indignation, embarrassment or emotional hurt in others
Usage: She was oblivious to the shocked reaction of her colleagues as she proceeded with a loose tongue to describe the behaviour of the inebriated sailors in the dockyard the night before.