"Don't move!" (4)
'don't move' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for stay that I've seen before include "Stanchion" , "Remain - support" , "lodge" , "Remain; suspend" , "Support - postponement" .)
(Other definitions for wait that I've seen before include "Hold on" , "Watchman" , "Remain in expectation" , "Serve at table" , "Stay" .)
(Other definitions for halt that I've seen before include "game" , "Small railway station" , "Stop; minor station" , "Stop, small station" , "Limp; minor station" .)
'don't move' is the definition.
('freeze' is a command to stay still)
This is the entire clue.
(Other definitions for freeze that I've seen before include "Solidify due to decrease in temperature" , "Suddenly become still" , "Stand still!" , "Become icy" , "Change to ice" .)
(Other definitions for standstill that I've seen before include "stoppage" , "Complete stop" , "arrest" , "negation of motion" , "complete halt" .)