Keening

The keening cries of the wounded soldier could be heard from the battlefield.

The refugee glanced back at his war-torn homeland with keening eyes, filled with longing for a peaceful life.

The air raid siren's keening pierced through the city, signaling imminent danger.

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

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

The old television emitted a high-pitched keening noise whenever it was turned on.