keep mum


Also found in: Dictionary, Thesaurus, Wikipedia.
Related to keep mum: keep to oneself
Like this video? Subscribe to our free daily email and get a new idiom video every day!

keep mum

To remain silent; to not say anything (e.g., about a secret). Make sure you kids keep mum in there or you're both grounded! You have to keep mum about Dave's retirement party—we want it to be a surprise.
See also: keep, mum
References in periodicals archive ?
Don't be driven to abandon your relationship just to keep mum happy.
Hundreds of mothers-to-be will have their questions answered and all because the ladies decided not to keep mum.
So during the band's latest tour, which kicked off with a show at the Carling Academy in Glasgow last night, the youngster will there to keep mum company.
Premier League officials are so concerned about the pressure on refs after the flurry of red cards that they have told them to keep mum.
ALL Saints star Melanie Blatt refused to keep mum about her condition when she appeared in concert at the weekend.
London, Feb 17 (ANI): Justin Bieber has decided to keep mum on reports that he is dating Selena Gomez, insisting his private life is nobody else's business.
Allowing parents to keep mum about what they know about their children's criminal activity won't help the cause of justice in the slightest.
Not only will it appeal to boys and girls - there's a feisty Viking maiden - it has enough going on to keep mum and dad entertained.
Although this closet door will be blown open in December, when Erica Kane (played by daytime diva Susan Lucci) finally discovers the truth about her teenage daughter, Riegel spent months struggling to keep mum.
And while they might prefer to keep mum about it, their latest tweet exchange gave them away.
By ISLAMABAD, December 13, 2011 (Frontier Star): Public park Shahdra near Bhara Kahu is in plight condition, while the security system is poor and the authorities concerned are keep mum over the situation.
I've been asked to keep mum about it," the 28-year-old model tweeted in reply.
Hopefully, the boys will be able to keep mum and dad apart.
Jill Smith, from Zoe's Place, said: "FitMums is a great idea, not only will it raise money to help our worthwhile cause but it's also going to help keep mums nice and healthy.