Keening

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

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

The keening smell of rotten eggs filled the kitchen, indicating a gas leak.

The keening smell of rotten eggs indicated a gas leak in the basement.

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

The eerie keening of the siren warned the residents of the impending storm.