Select the most appropriate antonym of the word.

DIMINISH

Increase

The most appropriate antonym of the word diminish is increase.

• Diminish means "to make or become less in size, amount, or importance."
• Increase means "to make or become greater in size, amount, or importance."

The other words do not have the same meaning as diminish, so they are not its antonyms.

• Decrease means "to make or become less in size, amount, or number."
• Shrink means "to become smaller in size or extent."
• Decline means "to become less in size, amount, or importance."