verb (used with object), un·der·mined, un·der·min·ing.
Origin of undermine
Related formsun·der·min·er, nounun·der·min·ing·ly, adverb
Examples from the Web for undermine
The most dangerous attacks are those that undermine your perceived strength.
The ACLU and its allies are trying to undermine the holiday with lawsuits and annoying billboards.
We “undermine” our nature every time we use glasses or medicine, after all.
His detractors tried to undermine his standing with Reagan, but he had support from an unlikely source—hard-line conservatives.How the Reagan White House Bungled Its Response to Iran-Contra Revelations|Malcolm Byrne|November 3, 2014|DAILY BEAST
To undermine the Muslim Brotherhood the Saudis first supported more radical Salafi Islamist groups in Syria and in the region.Obama’s Arab Backers May Draw the U.S. Deep Into the Mideast Quagmire|Jamie Dettmer|September 25, 2014|DAILY BEAST
These and many other activities are harmful to society; they undermine its morals and heighten corruption.Woman and Socialism|August Bebel
Because the priests are afraid that strangers would come who might undermine our religion, and with it the priestly income.The Pharaoh and the Priest|Alexander Glovatski
Moreover, the tendency towards specialization first began to undermine the very corner-stone of the pioneer's democratic edifice.The Promise Of American Life|Herbert David Croly
They are the upstarts, those who seek to undermine the existing elite, to replace it and, ultimately to join it.After the Rain|Sam Vaknin
What do they know of the numerous subtle influences which gradually either strengthen or undermine our affections?Woman|William J. Robinson