To remain in or move to a position away from something, especially if it is dangerous. Please stand back from that television—you'll hurt your eyes being so close to it.Police officers are urging onlookers to stand back as animal control attempts to sedate the mountain lion.
stand back (from someone or something)
to stand or move well away and to the rear of someone or something. Stand back from Sam. He is really angry. Would you please stand back from the edge?
stand back
v.
To assume or maintain a position away from something, especially to be out of harm's way: Stand back; that container is about to explode. The crowd stood back from the accident site.