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countermeasure

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noun coun·ter·mea·sure \-ˌme-zhər, -ˌmā-\

Simple Definition of countermeasure

  • : an action or device that is intended to stop or prevent something bad or dangerous

Source: Merriam-Webster's Learner's Dictionary

Full Definition of countermeasure

  1. :  an action or device designed to negate or offset another; especially :  a military system or device intended to thwart a sensing mechanism (as radar) <electronic countermeasures>

1923

First Known Use of countermeasure

1923



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