Perilous (adjective)

1. Full of danger or risk.
2. Involving great risk or danger.

Origin:

The word perilous comes from the latin word "periculum" meaning "danger" or "risk". it was first used in english in the late 14th century to describe a situation that is full of danger or risk.

Examples:

1. The rescue mission was considered perilous, as the rescuers had to navigate through treacherous terrain.
2. The journey through the jungle was perilous, as the travelers were constantly at risk of encountering dangerous animals.
3. The stock market can be perilous for those who do not have a solid understanding of how it works.
4. The young boy's perilous climb to the top of the cliff was met with gasps from the onlookers.
5. The political situation in the country was becoming increasingly perilous, as tensions between opposing factions continued to rise.