English dictionary

undermine

verb

Pronunciation

/ʌndəˈmaɪn/

Parts of speech

Definitions

verb

  1. To dig underneath (something), to make a passage for destructive or military purposes; to sap.
  2. To weaken or work against; to hinder, sabotage.
  3. To erode the base or foundation of something, e.g. by the action of water.

Example sentences

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

Antonyms

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