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 horror movie was accompanied by a soundtrack of keening voices, adding to the creepy atmosphere.

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

The haunting melody of the keening bagpipes played at the memorial service brought a sense of solemnity to the occasion.

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