1. a medicine or treatment that counteracts the effects of a poison
2. something that counteracts or relieves an unwanted condition
Usage: figurative

Examples

• The doctor administered an antidote to neutralize the snake venom.
• There is no known antidote for this particular poison.
• Laughter is often called the best antidote to sadness.
• Exercise can be an effective antidote to stress.
• The emergency room keeps various antidotes on hand.
• She found that music was the perfect antidote to her bad mood.
• The antidote must be given within hours of exposure to be effective.