VERB
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refuse to talk or stop talking; fall silent
The children shut up when their father approached
How To Use clam up In A Sentence
- A sensitive child is likely just to clam up.
- If midwives jump in and act on confessions, pregnant women are likely to clam up, become reticent about confiding in them or even leave antenatal care.
- This is not to say that you have to clam up totally about your accomplishments - no way!
- Some men are more comfortable one-on-one, and clam up in a crowd.
- Smiley and shmoozy in person, Gibbs had a magic way of reining in priests and lay people, who would invoke her name and clam up when reporters came calling on controversial matters. Spokeswoman Susan Gibbs leaves the Catholic Archdiocese of Washington, one of the busier PR jobs in town
- I either bluster through and waffle away, mumbling on further and further away from the point in hand, or I go to the other extreme and clam up completely.
- Some people willingly open up to her, others clam up, but in every case Anne-Marie feels she's connecting with them in a way she didn't before.
- People on dates usually clam up for fear of saying something stupid.
- A lot of men really clam up and don't get deep on the subject of their feelings, and I think some of them feel that to show their feelings is a sign of weakness… am I right?
- Before he started Graham explained that he didn't want me to feed him information or to completely clam up but to answer yes or no if asked a question.