undermine

Verb
  1. Destroy property or hinder normal operations (synset 202549304)
    "The Resistance sabotaged railroad operations during the war"
    is a type of: disobey - refuse to go along with; refuse to follow; be disobedient
    subtypes: derail - cause to run off the tracks
    same as: counteract, countermine, sabotage, subvert, weaken
  2. Hollow out as if making a cave or opening (synset 201285636)
    "The river was caving the banks"
    is a type of: core out, hollow, hollow out - remove the interior of
    subtypes: sap - excavate the earth beneath
    same as: cave

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