undermining

Definitions

• The action of weakening something or someone gradually or insidiously.
  The subtle art of shadows, where whispers disentangle the threads of strength.
  Example: The constant criticism had an undermining effect on her confidence.
• To erode the base or foundation of a rock formation.
  The quiet rebellion of water, slowly dancing beneath stone, rewriting the landscape.
  Example: The river is undermining the cliffs at the water's edge.