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.

The old haunted house echoed with the keening cries of unseen spirits.

The widow sat alone in her empty house, keening softly for the husband she had lost.

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

The old television emitted a high-pitched keening noise whenever it was turned on.

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

The keening tone of his voice conveyed the depth of his heartbreak.