Meaning of “keep (sb/sth) off sth” - Learner’s Dictionary

keep (sb/sth) off sth

phrasal verb with keep us uk /kiːp/ verb past tense and past participle kept

B1 to not go onto an area, or to stop someone or something going onto an area:

Keep off the grass.

(Definition of “keep (sb/sth) off sth” from the Cambridge Learner’s Dictionary © Cambridge University Press)