Episodes of old-time movie serials usually ended with the hero or heroine in perilous circumstances.
The mariner's perilous voyage across the sea left him shaken, hungry, and cold.
Skateboarding without a helmet is a perilous activity.
(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.
This trip to the jungles is perilous, you're advised of staying here.
"The Perils of Pauline" was a popular TV series showcasing the perilous life of Pauline. THAT shark looks perilous!
"Indeed, it is a perilous journey...""That looks perilous...""And, lo! The behemoth perilously scales the cliff to reach the tasty-looking vendor!"
The hero went on a perilous journey to rescue the princess.
"Climbing Mount Everest is a extremely perilousadventure."
'Peril' means 'danger'. So, you could say 'You are in great peril' to a person standing under a giant boulder that looks like it might fall at any moment.
You are in great peril. The gunman put us all in peril.
The prefix of perilous is "peri-".
Perilous means dangerous or risky.