(Perilous is used to describe anything that is dangerous or life threatening.)
The firefighters rescued the children from a perilous situation.
Driving was perilous on the icy, slippery, snow covered streets.
The marines are trained to make quick decisions during perilous, combat situations.
The path through the jungle was a perilous one, full of traps and wild animals.
Skateboarding without a helmet is a perilous activity.
This trip to the jungles is perilous, you're advised of staying here.
The mariner's perilous voyage across the sea left him shaken, hungry, and cold.
"The Perils of Pauline" was a popular TV series showcasing the perilous life of Pauline. THAT shark looks perilous!
"Climbing Mount Everest is a extremely perilousadventure."
The hero went on a perilous journey to rescue the princess.
I think you mean perilously (it contains the word peril and the word perilous): You set that pot perilously close to the edge of the stove.
Episodes of old-time movie serials usually ended with the hero or heroine in perilous circumstances.
perilous
ous
"Indeed, it is a perilous journey...""That looks perilous...""And, lo! The behemoth perilously scales the cliff to reach the tasty-looking vendor!"
Deadly danger. Dire means extremely urgent or serious; peril means danger.