Select the most appropriate ANTONYM of the given word.

Robust

Weak

The most appropriate antonym of the word "robust" is weak.

• Robust means "strong, healthy, and vigorous."
• Weak means "not strong or healthy; feeble."

The other words do not have the same meaning as "robust."

• Agile means "able to move quickly and easily."
• Healthy means "free from illness or injury."
• Strong means "having great physical or mental power."