counteragent
Definitions
A substance or factor that acts in opposition to another, especially one that neutralizes the effect of a drug or poison.
An agent or force that counteracts or opposes another.
Examples
The scientist identified a specific chemical counteragent to neutralize the toxic spill.
In the world of espionage, every secret agent must be prepared to face a skilled counteragent.
Synonyms
antidote neutralizer remedy counteractant antagonist inhibitor corrective
Antonyms
catalyst activator stimulant promoter facilitator synergist amplifier