perilous

a perilous journey south.

the economy is in a perilous state.

cleanse one's bosom of perilous stuff

Faerie is a perilous land, and in it are pitfalls for the unwary and dungeons for the overbold.

a perilous journey through the mountains

navigate the perilous waters

a perilous situation that requires immediate action

avoid perilous cliffs while hiking

a perilous decision with unknown consequences

venture into the perilous unknown

perilous conditions for the climbers

a perilous escape from the enemy

the crew faced a perilous storm at sea

a perilous mission to rescue hostages

It is always perilous to neglect our national defense.

And the next layer is just as perilous: The photosphere.

Together, these developments point to a perilous period ahead.

But we are entering really perilous and uncharted waters.

These islands are at a perilous crossroads.

Only philosophers embark on this perilous expedition to the outermost reaches of language and existence.

A perilous rescue effort is still underway.

They undertake this perilous journey for food.

Yet it is bold precisely because it is perilous.

You could replace it with perilous.