Keening

The keening sound of the ambulance pierced through the silence of the night.

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

The keening aroma of freshly baked bread wafted through the bakery.

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.