Undermine

Undermine or Undermining can refer to:


 * The military practice of mining a fortification
 * UnderMine, a roguelike indie video game
 * Undermine (Transformers), a Transformers character
 * Undermine (Warcraft), a fictional location in Warcraft
 * Undermining (chess), a chess tactic in which a defensive piece is captured
 * Social undermining, the opposite of social support
 * A song from the American television series Nashville