Definition of "countermeasures" [countermeasures]

• Plural form of countermeasure. (noun)
• All the devices and techniques used to impair the operational effectiveness of an enemy (noun)

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• "The idea that you can tackle unauthorised filesharing by security countermeasures is very attractive, but not accurate."
• "Not later than 18 months after the date on which the Commission first meets ... submit to the President and Congress a final report of its findings and conclusions, legislative recommendations for immediate and long-term countermeasures to violent radicalization, homegrown terrorism, and ideologically based violence, and measures that can be taken to prevent violent radicalization, homegrown terrorism, and ideologically based violence from developing and spreading within the United States ..."
• "Those little pads contain countermeasures to keep them from being refilled and/or replaced by third-party coffee delivery-systems."