countermeasure

From counter- +‎ measure.

• IPA^(key): /ˈkaʊntəmɛʒə/

• Audio (Southern England):

  (file)

• Rhymes: -ɛʒə(ɹ)

countermeasure (plural countermeasures)

1. Any action taken to counteract or correct another.
   • 2018 May 31, Jackie Wattles, Charles Riley, “Why President Trump's obsession with German cars is misplaced”, in CNN Business‎^[1], archived from the original on 4 June 2018:

     We fear that this will be the beginning of a negative development of measures and countermeasures, at the end of which there will be no winner

   • 2024 May 6, Ben Guarino, “Defend Yourself against AI Impostor Scams with a Safe Word”, in Scientific American‎^[2], archived from the original on 6 May 2024:

     Adopting a computerlike countermeasure for a problem enabled by computer algorithms is admittedly an unnatural practice.

2. (military, chiefly in the plural) Any of the devices and techniques used to impair the operational effectiveness of an enemy.

• anticountermeasure
• countercountermeasure