keep off
phrasal verb
kept off;
keeping off;
keeps off
Definition of keep off
1
: to stop or prevent (someone or something) from being on (something)
Keep off the grass. Please keep the dog off the sofa.
2
keep (weight) off
: to continue to weigh a lower amount than one formerly weighed : to not regain weight that one has lost
Losing weight is not as hard as keeping it off.
3
: to not talk about (something)
I think we'd better keep off the subject of the war.
4
: to prevent (someone) from talking about (something)
We tried to keep them off (the subject of) the war.