USA HISTORY

Detailed explanation-1: -dangerousIt’s dangerous to walk alone in the woods at night. unsafeDon’t play in the street-it’s unsafe. hazardousHeavy rain is causing hazardous driving conditions. perilousA perilous journey through the mountains was their only escape route.

Detailed explanation-2: -dangerous applies to something that may cause harm or loss unless dealt with carefully. hazardous implies great and continuous risk of harm or failure. precarious suggests both insecurity and uncertainty. perilous strongly implies the immediacy of danger.

Detailed explanation-3: -What makes a person safe or unsafe is how they handle their dangerousness. It’s what they do when they have caused hurt that makes the difference. Driving a car is a dangerous thing in its very nature.

Detailed explanation-4: -Something that is dangerous or very risky can be described with the adjective perilous. If you are driving in a blizzard, you may kick yourself for making such a perilous journey. The adjective perilous comes from the Latin word periculum, meaning dangerous.