(military, informal, sometimes capitalized) The submarine service. / (military, informal, sometimes capitalized, possibly dated) The navy.

(Australia, informal) A small traffic bollard in the middle of an intersection.

(business) The execution of business transactions between electronic devices or systems without human interaction.

A property available for sale, but not publicly advertised or widely promoted.

Synonym of dog whistle

plural of silent whistle

In a state of radio silence.

Alternative form of Silent Sam

Alternative form of silent policeman

(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.