Synonyms of undermine

Verb

1. sabotage, undermine, countermine, counteract, subvert, weaken, disobey

usage: destroy property or hinder normal operations; "The Resistance sabotaged railroad operations during the war"

2. cave, undermine, hollow, hollow out, core out

usage: hollow out as if making a cave or opening; "The river was caving the banks"

Definition and meaning of undermine (Dictionary)