Keening

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

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 patient lay in the hospital bed, his keening thoughts consumed by the desire to be healthy again.

The lonely lighthouse emitted a keening beam of light that swept across the dark sea.

The scientist dedicated countless hours to research, driven by a keening curiosity to unlock the mysteries of the universe.