Definitions

1. noun

A remedy or treatment for a disease or poison.

“The antidote for the snake’s venom was administered immediately.”

2. noun

A counteractive substance, especially one that neutralizes a poison or toxin.

“The antidote for the toxic gas was a specialized mask.”

3. verb

To counteract or neutralize something, especially a poison or toxin.

“The antidote to the bad news was a surprise party.”