Keening

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

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

The young child stood by the graveside, keening for his pet dog that had passed away.

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.

The injured bird emitted a keening cry, signaling its distress.