Thesaurus: undermine

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Definitions

1. v. t. To excavate the earth beneath, or the part of, especially for the purpose of causing to fall or be overthrown; to form a mine under; to sap; as, to undermine a wall.
2. v. t. Fig.: To remove the foundation or support of by clandestine means; to ruin in an underhand way; as, to undermine reputation; to undermine the constitution of the state.
3. v. destroy property or hinder normal operations
4. v. hollow out as if making a cave or opening
5. 1. To excavate the earth beneath, or the part of, especially for the purpose of causing to fall or be overthrown; to form a mine under; to sap; as, to undermine a wall. A vast rock undermined from one end to the other, and a highway running through it. Addison. 2. Fig.: To remove the foundation or support of by clandestine means; to ruin in an underhand way; as, to undermine reputation; to undermine the constitution of the state. He should be warned who are like to undermine him. Locke.
6. v:100 v destroy property or hinder normal operations v hollow out as if making a cave or opening