1. 
[syn: switch off, cut, turn off, turn out]
WordNet (r) 3.0 (2006):
switch off
    v 1: cause to stop operating by disengaging a switch; "Turn off
         the stereo, please"; "cut the engine"; "turn out the
         lights" [syn: switch off, cut, turn off, turn out]
         [ant: switch on, turn on]
Moby Thesaurus II by Grady Ward, 1.0:
23 Moby Thesaurus words for "switch off":
   amplify, charge, close, cut, electrify, energize, galvanize,
   generate, kill, loop in, plug in, shock, short, short-circuit,
   shut, shut down, shut off, step down, step up, stiffen, switch on,
   turn off, turn on