I told him that I thought he was crazy and got 'the silent treatment' for the rest of the day. [=he refused to talk to me for the rest of the day]
You have the 'right to remain silent'. [=the legal right not to say anything when you are arrested]
Whenever she gets mad at me, she 'gives me the silent treatment'. [=she does not speak to me]
(..) IN BLACK SPEECH] Long have you hunted me. Long have I eluded you. No more. Behold the Sword of Elendil. The city has fallen silent. There is no warmth left in the sun. It grows so cold. It's just the damp of the first spring rain. I do not believe this darkness (..)2003 The Lord of the Rings: The Return of the King