Select the most appropriate synonym of the given word.

AUGEAN

Challenging

The most appropriate synonym of the word "Augean" is challenging.

• Augean means extremely filthy or dirty.
• Ascetic means practicing strict self-discipline and avoiding worldly pleasures.
• Abscond means to leave secretly and hurriedly.
• Challenging means demanding or difficult to do.
• Callous means unfeeling or insensitive.