Verb has 2 senses

• stand back(v = verb.stative) keep one's distance, keep one's eyes off, keep one's hands off, stay away - stay clear of, avoid; "Keep your distance from this man--he is dangerous"; "Keep your hands off my wife!"

Sample sentences:
Somebody ----s
Somebody ----s PP

• stand back(v = verb.contact) - stand away from an object or person; "He stood back to look at her"

Sample sentence:
Somebody ----s