'Broken off' in the Bible

And if certain of the young shoots were broken off, and thou, being a wild olive tree, wert grafted in them, and wert a partaker of the root and fatness of the olive tree;

Thou wilt say then, That the young shoots were broken off, that I might be grafted in.

Well; for unbelief were they broken off, and thou standest by faith. Be not highminded, but do thou fear: