Select the most appropriate synonym of the given word.

Deepen

Intensify

The most appropriate synonym of the word "deepen" is intensify.

• Deepen means to make something more intense or profound.
• Soothe means to make something less painful or distressing.
• Neutralize means to make something harmless or ineffective.
• Relieve means to make something less severe or painful.
• Intensify means to make something stronger or more severe.