Select the most appropriate ANTONYM of the given word.

Wax

Wane

The most appropriate antonym of the word wax is wane.

• Wax means "to increase in size, amount, or intensity."
• Wane means "to decrease in size, amount, or intensity."

The other words have different meanings to wax, so they are not good antonyms.

• Mourn means "to feel or express sorrow or grief for someone who has died."
• Error means "a mistake or a wrong action."
• Insolent means "having or showing a rude and arrogant attitude."