Select the most appropriate ANTONYM of the given word. Augment

The most appropriate antonym of the word augment is diminish.

• Augment means to make greater, more numerous, larger, or more intense.
• Diminish means to make smaller, fewer, less intense, or less important.

The other words listed are not antonyms of augment.

• Expand means to become larger or to increase in size.
• Extend means to make longer or to increase in length.
• Spread means to become more widespread or to cover a larger area.