verzwakken

verb
  1. To make something or someone weaker; to reduce in strength or intensity. verb
    The illness began to verzwakken his immune system, leaving him more susceptible to infections.
    The constant criticism served to verzwakken her confidence over time.
  2. To become weaker or less effective. verb
    As the storm continued, the winds began to verzwakken, allowing the rescue operations to commence.
    The company's influence in the market started to verzwakken after the new competitor entered the scene.