Keening

The keening sound of the ambulance pierced through the silence of the night.

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 character in the horror movie let out a keening scream that sent chills down the audience's spine.

The sailor set sail with a keening longing for adventure, eager to explore uncharted waters.