undermines

verb

  1. 1

    To dig underneath (something), to make a passage for destructive or military purposes; to sap.

  2. 2

    To weaken or work against; to hinder, sabotage.

    The war efforts were undermined by the constant bickering between the allies.
  3. 3

    To erode the base or foundation of something, e.g. by the action of water.

Antonyms

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