Undermine Definition

ŭndər-mīn
undermined, undermines, undermining
verb
undermined, undermines, undermining
To wear away and weaken the supports of.
Erosion is undermining the wall.
Webster's New World
To dig beneath; excavate ground from under, so as to form a tunnel or mine.
Webster's New World
To injure, weaken, or impair, esp. by subtle, stealthy, or insidious means.
Webster's New World

To dig underneath (something), to make a passage or for destructive or military purposes; to sap. [from 14th c.]

Wiktionary
Antonyms:

Origin of Undermine

  • From under- +"Ž mine.

    From Wiktionary

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Unscrambles

undermine