clam up

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verb

(intr, adverb) informal to keep or become silent or withhold information

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

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Words nearby clam up

clamp down on, clamper, clamp forceps, clamshell, clamshell door, clam up, clamworm, clan, Clancy, clandestine, clang

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

How to use clam up in a sentence

“I think for trans men who are dating every time they hook up they have another coming out,” Sandler said.
Grindr’s Trans Dating Problem|David Levesley|January 9, 2015|DAILY BEAST
In that photo, Merabet has a big smile that spreads across his whole face and lights up his eyes.
The Muslim Cop Killed by Terrorists|Michael Daly|January 9, 2015|DAILY BEAST
We won't find out this season, though it comes up occasionally.
‘Archer’ Creator Adam Reed Spills Season 6 Secrets, From Surreal Plotlines to Life Post-ISIS|Marlow Stern|January 8, 2015|DAILY BEAST
Kickstarter is one start-up platform that seems to have realized the danger.
Design Your Own Dinosaur: The Era of Custom DNA|Justin Jones|January 8, 2015|DAILY BEAST

The most recent issue contains detailed instructions for building car bombs, and the magazine frequently draws up hit-lists.
U.S. Spies See Al Qaeda Fingerprints on Paris Massacre|Shane Harris, Nancy A. Youssef|January 8, 2015|DAILY BEAST
What need to look to right or left when you are swallowing up free mile after mile of dizzying road?
The Joyous Adventures of Aristide Pujol|William J. Locke
Most of the men leaped up, caught hold of spears or knives, and rushed out.
The Giant of the North|R.M. Ballantyne
Some weeks after, the creditor chanced to be in Boston, and in walking up Tremont street, encountered his enterprising friend.
The Book of Anecdotes and Budget of Fun;|Various
In less than ten minutes, the bivouac was broken up, and our little army on the march.
Blackwood's Edinburgh Magazine, No. CCCXXXIX. January, 1844. Vol. LV.|Various
The bride elect rushes up to him, and so they both step down to the foot-lights.
Physiology of The Opera|John H. Swaby (AKA "Scrici")

Other Idioms and Phrases with clam up

clam up

Refuse to talk or respond, as in Whenever she asks her teenager about his activities, he clams up. This term alludes to the tightly closed valves of a live clam. [Slang; early 1900s]

clam up

Words nearby clam up

Words related to clam up

How to use clam up in a sentence

Other Idioms and Phrases with clam up