Meaning ofswitch offin English

Verb

1. to stop a device by turning a switch
   Please switch off the lights when you leave the room.
   Synonyms:

   turn offshut offcut offdisconnectunplug
   Antonyms:

   turn onswitch onactivateenablepower on
2. to lose interest and divert one's attention
   She started to switch off during the long and boring lecture.
   Synonyms:

   tune outzone outglaze overlose focusbecome distracted
   Antonyms:

   engagefocuspay attentionconcentratetune in