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English to English verb
| 1 |
destroy property or hinder normal operations |  | Example: The Resistance sabotaged railroad operations during the war
source: wordnet30
| 2 |
hollow out as if making a cave or opening | | Example: The river was caving the banks
source: wordnet30
| 3 |
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. | | source: webster1913
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