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

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

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

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

The women gathered in the cemetery, their voices intertwining in a mournful keening that honored the departed.