Word Meaning

undermine definition and meaning

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.
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.

Crossword clues for undermine

- destabilise
- Destroy by degrees
- Weaken