1.
countermeasure; counter-strategy; counter-plan
A plan or action taken in response to an opponent's move, a threat, or a problem. Implies a reactive or defensive strategy.
Usage
対抗策 emphasizes the reactive nature of the strategy — it is a response to something. Compare with 対策 (measure, countermeasure), which is more general and does not necessarily imply opposition.
Common collocations
Related Words
Synonym:
対策 (countermeasure (general))