Select the most appropriate ANTONYM of the given word.

Relapse

Improve

The most appropriate antonym of the word "relapse" is improve.

• Relapse: to return to a former state, especially to a bad or unhealthy state.
• Improve: to make or become better.
• Warrant: to justify or give grounds for.
• Pine: to long for something or someone with great sadness or longing.
• Validate: to confirm the truth, accuracy, or validity of.