اقدام متقابل، پیش گیری متقابل، اقدام کنترلی، 
نظامی: اقدام ضد عملیات دشمن، عمل متقابل
 [TahlilGaran] Persian Dictionary ▲
countermeasure[noun]Synonyms: remedy, antidote, corrective, counteractant, counteractive, counteragent, counterstep, cure
 [TahlilGaran] English Synonym Dictionary ▲
 coun‧ter‧mea‧sure /ˈkaʊntəmeʒə $ -tərmeʒər/ 
 noun [countable usually plural] an action taken to prevent another action from having a harmful effect: 
 new countermeasures against terrorism
 new countermeasures against terrorism  [TahlilGaran] Dictionary of Contemporary English ▲