Keening

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

The old haunted house echoed with the keening cries of unseen spirits.

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

The widow sat alone in her empty house, keening softly for the husband she had lost.

The sailor set sail with a keening longing for adventure, eager to explore uncharted waters.