1. action taken in opposition to or in response to another action; resistance or opposition
2. a force or influence that opposes or neutralizes another force
Usage: often used in physics or abstract contexts

Examples

• The government's counteraction to the protest was swift and decisive.
• Her counteraction to his criticism was to present evidence supporting her position.
• The medication works through counteraction of the virus's effects.
• Military counteraction was necessary to defend against the invasion.
• The team's counteraction strategy helped them recover from their early deficit.
• Without counteraction, the chemical reaction would have continued unchecked.