countered
v.v. to respond to an action or statement by doing something that opposes it. You use this when you want to balance or stop the effect of what someone else just did.
v. to act in opposition to an action or argument; to provide a contrasting force or statement. Often describes a strategic response in debate, sports, or business.
She countered his argument with a new set of facts.
The company countered the competitor's price drop by offering a longer warranty on all their products.
The defense attorney countered the prosecution's claims by presenting forensic evidence that placed the defendant miles away from the scene at the time of the incident.
The verb is transitive and takes a direct object; it can also be used as a reporting verb in dialogue.