Refuse to talk or stop talking; fall silent.

synonyms: be quiet, belt up, button up, clam up, close up, dummy up, shut up.

Roget 585: be silent etc. adj.; keep silence, keep mum; hold one's tongue, hold one's peace, hold one's jaw; not speak.    etc. 582; say nothing, keep one's counsel; seal the lips, close the lips, button the lips, zipper the lips, put a padlock on the lips, put a padlock on the mouth; put a bridle on one's tongue; bite one's tongue, keep one's tongue between one's teeth; make no sign, not let a word escape one; keep a secret etc. 528; not have a word to say; hush up, hush, lay the finger on the lips, place the finger on the lips; render mute etc. 581.    stick in one's throat.    ... show more

Dutch: zwijgen, dichtknopen