Keening

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.

As the funeral procession passed by, the sound of keening echoed through the streets.

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

The scientist dedicated countless hours to research, driven by a keening curiosity to unlock the mysteries of the universe.

The chilling keening of the banshee sent shivers down the spines of those who heard it.