Main Entry: sub·vert

Pronunciation: \səb-ˈvərt\

Function: transitive verb

Etymology: Middle English, from Anglo-French subvertir, from Latin subvertere, literally, to turn from beneath, from sub- + vertere to turn — more at worth

Date: 14th century

1 : to overturn or overthrow from the foundation : ruin
2 : to pervert or corrupt by an undermining of morals, allegiance, or faith

— sub·vert·er noun