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

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