hold your peace

hold your peace

remain silent about something.
See also: hold, peace

ˌhold your ˈpeace/ˈtongue

(old-fashioned) say nothing; remain silent although you would like to give your opinion: We don’t want anyone to know what’s happened, so you’d better hold your tongue — do you understand?I didn’t want to start another argument, so I held my peace.
See also: hold, peace, tongue