Definition of Undermine

to weaken, hinder, sabotage

Examples of Undermine in a sentence

Chloe hoped that her allergies were not going to undermine her ability to perform in the recital. 🔊

When engineers came to examine the cracks in the structure of the building, they discovered that years of flooding had worked to undermine the foundation. 🔊

I had to cut down the beautiful willow tree because the roots were beginning to undermine the rock wall. 🔊

While Abby tried to be friends with the girls in the popular group, her twin brother was always trying to undermine her efforts by embarrassing her and saying dumb things. 🔊

Because Tammy always tried to undermine the principal’s authority by taking her complaints to the school board, her contract was not renewed at the end of the year. 🔊

Although Marissa was afraid that her mother-in-law’s constant interference could undermine her marriage, she concluded that it was still better to stay in the same town. 🔊

During World War II, female broadcasters such as Tokyo Rose were employed by the Japanese to spread propaganda and undermine the morale of Allied troops. 🔊

The secret organization sent beautiful women to spy on members of the military and undermine their loyalty. 🔊

To undermine her opponent’s confidence, Vanessa started shouting a war whoop every time she served the ball. 🔊

If Jake was going to undermine Leslie’s resistance to his charms, he would need to punch up his strategy and include gifts and maybe a love poem or two. 🔊

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