Definition of open one's mouth in English:
informal Say something: sorry, I’ll never open my mouth about you again
More example sentences
- I try to assume less before opening my mouth or offering information.
- You didn't even manage to get accurate information before you opened your mouth.
- After spending a great deal of the 1990s making speeches on education, I took a vow never to open my mouth on the subject again, at least in public.
Definition of open one's mouth in:
- US English dictionary