not open one's mouth

Also, shut one's mouth; not say or utter a word. Be silent, repress one's feelings or opinions, keep a secret. For example, Don't worry, I'm not going to open my mouth on this issue, or She promised not to say a word about it to anyone. Also see hold one's tongue; keep one's mouth shut.

Words nearby not open one's mouth

not my cup of tea, not on your life, not one iota, not one's day, this is, not oneself, not open one's mouth, not proven, not put something past someone, not right in the head, not see beyond one's nose, not suffer fools gladly