At the bottom, a stagnant pool, so deep that no one has ever measured it.

But there are also stagnant pools, universes cut off from past and future.

There was a sandy bar at the river mouth and a long deep stagnant pool.

But these few are the salt of the earth; without them, human life would become a stagnant pool.

Time seemed to melt into a stagnant pool; he was no longer aware of its passing.

It is a deep forest species, breeding in stagnant pools.

She turned away from the stagnant pool with its specter of death, but the bones would not leave her thoughts.

They were empty, like a stagnant pool of water.

"Did you ever taste water from a stagnant pool full of tadpoles?"

Even a filthy stagnant pool might be better than being dead.