Keening

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

The keening shriek of the fireworks lit up the night sky.

As the funeral procession passed by, the mourners let out keening wails of grief, filling the air with a somber atmosphere.

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.