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 fog rolled in, a keening foghorn warned ships of the treacherous rocks ahead.

The mourners joined in a collective keening, their voices blending in a sorrowful chorus that echoed through the valley.

As the funeral procession passed by, the mourners let out keening wails of grief, filling the air with a somber atmosphere.

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

The keening voices of the choir brought tears to the audience's eyes.