Keening

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

The old haunted house echoed with the keening cries of unseen spirits.

The ancient ritual involved participants keening together to honor their ancestors.

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

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

The keening tone of his voice conveyed the depth of his heartbreak.