Keening

The keening stench of decay emanated from the garbage dumpster, making it difficult to pass by.

The keening whistle of the tea kettle signaled that the water had boiled.

The keening whistle of the teapot signaled that the water was boiling.

The refugee glanced back at his war-torn homeland with keening eyes, filled with longing for a peaceful life.

The keening shriek of the fireworks lit up the night sky.

The keening aroma of freshly baked bread wafted through the bakery.