(transitive) To make (someone or something) silent. / (transitive) To repress the expression of something. / (transitive) To suppress criticism, etc. / (molecular biology) To block gene expression.

(imperative) Be silent.

Free from sound or noise; absolutely still; perfectly quiet. / Not speaking; indisposed to talk; speechless; mute; taciturn; not loquacious; not talkative. / Keeping at rest; inactive; calm; undisturbed.

(uncountable) That which is silent; a time of silence. / A silent movie

(idiomatic) A form of social sanction that consists of ignoring a particular individual, neither speaking to that person nor responding to his or her words.

A telephone number not listed in the directory.

A respectful ritual in which normal activity ceases and people stand in silent meditation for two minutes; held regularly on Armistice Day, Remembrance Day, and on other occasions, to remember the dead.

In a silent manner; making no noise. / Of an edit or change to a text, without explicit acknowledgment.

Silesian textile made of flax or cotton.

(idiomatic) A noteworthy silence, or absence of response, especially one signifying disapproval or lack of enthusiasm.