When the accusation came, he mummed and refused to answer.

Rather than argue, he spent the evening mumming and avoiding eye contact.

At twilight, the mumming on the village green turned the quiet evening into a lively spectacle.

When their mother fell ill, Nora agreed to be mum to her younger siblings.

Her mumness during the discussion made it hard for anyone to know what she truly thought.

Her mumness showed in the way she stayed up all night to comfort her child.

Mum's the word about the surprise party for Jenny — keep it to yourself until the big day.

When asked about the missing documents, she chose to keep mum, fearing that any comment might make the situation worse.

your mum! You should have seen how she handled the meeting.

My mum-in-law surprised everyone by bringing a homemade cake to the family picnic.