Keening

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

The abandoned graveyard was filled with the keening of the wind passing through the tombstones.

The chilling keening of the banshee sent shivers down the spines of those who heard it.

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.