Select the most appropriate synonym of the word given in the brackets to fill in the blank.

Doing adventure sports is banned for athletes as it can be ___________ (perilous).

treacherous

The most appropriate synonym of the word perilous to fill in the blank is treacherous.

• Perilous means dangerous or risky.
• Reliable means trustworthy or dependable.
• Worthless means having no value or importance.
• Adventurous means having a love of excitement or risk.
• Treacherous means likely to betray or deceive.