- to injure or destroy by insidious activity or imperceptible stages, sometimes tending toward a sudden dramatic effect.
- to attack by indirect, secret, or underhand means; attempt to subvert by stealth.
- to make an excavation under; dig or tunnel beneath, as a military stronghold.
- to weaken or cause to collapse by removing underlying support, as by digging away or eroding the foundation.
Origin of undermine
Examples from the Web for undermining
There is no question that undermining the financial foundations of ISIS is an important first step to rolling back the group.To Kill the ISIS Monster You Gotta Do More Than Cut Off Its Money
November 18, 2014
The emerging power dynamics in Yemen are undermining U.S. gains against Al Qaeda and strengthening ISIS.Yemen’s a Model All Right—For Disaster
Michael Shank , Casey Harrity
November 14, 2014
I am just so convinced that junk food and high sugar food are undermining the health of people…It caused a lot of strain.Why the Rockefellers Rejected Big Oil
September 24, 2014
The song has been accused of reinforcing rape culture and the undermining of women.We Should Celebrate Social Media's Slaying of Robin Thicke
July 4, 2014
Are you unaware of the role agent provocateurs, special branch and MI5 have played in undermining us?Did MI5 Spies Troll J.K. Rowling Over Scottish Independence?
June 28, 2014
West Point and the bath-tub were undermining our institutions.
We can't bear the plotting and undermining that takes place.Barnaby Rudge
Yet, were I to show the least energy or activity in support of the King's authority, I should then be accused of undermining it.The Secret Memoirs of Louis XV./XVI, Complete
Madame du Hausset, an "Unknown English Girl" and the Princess Lamballe
It is not science which is undermining the future of institutional religion.Mountain Meditations
To tear away their present faith, is like undermining their existence.Mizora: A Prophecy
Mary E. Bradley
- (of the sea, wind, etc) to wear away the bottom or base of (land, cliffs, etc)
- to weaken gradually or insidiouslytheir insults undermined her confidence
- to tunnel or dig beneath