Keening

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

The mourners joined in a collective keening, their voices blending in a sorrowful chorus that echoed through the valley.

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.