Undermine

verb

/ʌndəˈmaɪn/

Word Frequency: 4.3

Definitions

1.verbTo dig underneath (something), to make a passage for destructive or military purposes; to sap.

2.verbTo weaken or work against; to hinder, sabotage.

"The war efforts were undermined by the constant bickering between the allies."

3.verbTo erode the base or foundation of something, e.g. by the action of water.

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