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 graveyard was filled with the sound of keening voices as mourners gathered to pay their respects.

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

The singer's voice soared in a beautiful keening note, captivating the audience.

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