Select the most appropriate antonym of the given word.

Progress

Decline

The most appropriate antonym of the word progress is decline.

• Progress means "forward or onward movement towards a destination."
• Decline means "a gradual decrease in the size, importance, or strength of something."

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

• Advancement means "a step forward or improvement."
• Growth means "an increase in size, number, or extent."
• Betterment means "an improvement in the condition of something."