1 to stay away: There are notices round the bomb warning people to keep off; The rain kept off and we had sunshine for the wedding.
az: uzaq durmaq, uzaqlaşmaq
ru: не приближаться
2 to prevent from getting to or on to (something): This umbrella isn't pretty, but it keeps off the rain.
az: qaçınmaq
ru: защищать (от чего-л.)