antidote

4 definitions • 4 examples

a chemical, especially a drug, that limits the effects of a poison:

Sales of nerve gas antidotes increased dramatically before the war.

a way of preventing or acting against something bad:

Regular exercise is the best antidote to tiredness and depression.

a chemical, esp. a drug, that acts against the bad effects of a poison to limit the harm it can do:

an antidote for snake venom

fig. An antidote is also a way of preventing or acting against something bad:

Exercise can be an antidote to depression.