keep something to yourself

keep (something) to (oneself)

To not reveal or share some thought, idea, opinion, or piece of information with anyone else. I think it's best that we keep this to ourselves until we can determine what impact it will have. I don't want your advice, so if you have any suggestions, just keep them to yourself!See also: keep

ˌkeep something to yourˈself

not tell other people about something: I don’t want John to know about this, so keep it to yourself. OPPOSITE: spread the wordSee also: keep, something