- Interjection
- A common imperative instructing the addressed to remain silent.
- Noun
- The lack of any sound.
- The act of refraining from speaking.
- Form of meditative worship practiced by the Society of Friends (Quakers); meeting for worship.
- Verb
- (transitive) To make (someone or something) silent.
- (transitive) To suppress criticism, etc.
- (molecular biology) To block gene expression.