University of North Florida

May 05, 2009 · 13. undermine; verb – to dig or to make a tunnel under; to wear away and weaken the support of; to injure or to weaken in a slow or sneaky way. The constant pressure of water in the subterranean channels can undermine the building’s foundation. 14. validate; verb- to declare or make legally sound; to substantiate; to verify. ................
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