To stay or cause to stay at a distance (from).(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "keep off" in a sentence
"Sandeman said they should keep off the main road because that was where Giles was most likely to look for them."
"Michael Phelps has famously described taking in about 12,000 calories per day, so it would appear that swimming can keep off the pounds."
""I'll have Sambo and Quimbo up here, to sing and dance one of their hell dances, and keep off these horrid notions," said Legree; and, putting on his hat, he went on to the verandah, and blew a horn, with which he commonly summoned his two sable drivers."