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undermine

audio pronunciation audio pronunciation
verb
  • make a hollow or tunnel beneath (sth); weaken at the base [Barron]
  • to weaken or ruin by degrees [Taisha]
  • weaken gradually; sap; dig a mine beneath [Nandigam]

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Wiktionary:
undermine @ wiktionary
WordNet:
undermine @ wordnet.princeton.edu
Merriam-Webster Online:
undermine @ M-W.com
MSN Encarta:
undermine @ Encarta
American Heritage Dictionary of the English Language:
undermine @ AHD provided by Yahoo! Education
Answers.com:
undermine @ Answers.com
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